HMCo #303p Navette

"[1916-06-11] Sun 11: Overcast & nearly calm. L[igh]t r[ain in] PM. ... At work on model for St[eame]r [#303p Navette] for J. P. Morgan.
[1916-06-23] Fri 23: Very fine day. Call on J. P. Morgan to talk about an express steamer [#303p Navette]. ...
[1916-07-09] Sun 9: T[hunder] & L[ightning] early [with] a little rain. At work on model [probably model 426 for #303p Navette which was made longer in July 1916]. ...
[1916-09-20] Wed 20: Set up frames for 114' st[eame]r #304 [sic, i.e. #303p Navette which was 114' LOA. #304p would have been Katoura's new owner launch].
[1916-12-01] Fri 1: ... In the shops at the present time #303 [Navette] is planked and turned upright...
[1917-03-24] Sat 24: ... Launch #303 [Navette] in evening.
[1917-04-02] Mon 2: Have #303 [Navette] under steam at dock.
[1917-04-14] Sat 14: Mr. Swazey here in AM. Make very satisfactory trial of #303 Navette in forenoon. Made 22.4 miles [per hour] over harbor course with only 200 lbs. st[eam] chest pressure.
[1917-04-16] Mon 16: Fine with fresh NW [wind]. Make 2nd run out in Navette [#303p] in PM. Making 15 k[nots] with NW chop.
[1917-04-18] Wed 18: Have satisfactory trial of #303 Navette [#303p]. Making 20.6 k[nots] = 23.7 mi[les per hour].
[1917-04-22] Sun 22: Navette [#303p] left for NY early. ..." (Source: Herreshoff, Nathanael G. Diary, 1916 to 1917. Manuscript (excerpts). Diary access courtesy of Halsey C. Herreshoff.)

"#303.
July 1916.
Frame spaces 18".
Deduct for timbers 1 7/8".
Deduct for planking 1 1/4".
Deck above sheer height 1 1/4".
Sheer is to be straightened from figures given so that depth amidships will be 4" more. Keeping same sheer height at stem & stern. Sheer, circle arc.
Siding of stem 4 3/4".
Siding of keel 6 3/4".
Depth of keel 3 7/8" (1 1/8" above rabbate).
To be a raised deck forward underside 9" above sheer (S) as raised, and to extend from stem to # 19 frame. The flare of topsides to be continued in fair hollowed lines.
The corrected sheer heights are to lower side of deck.
[In what appears to be A.S.deW. Herreshoff's handwriting:] For sheer heights see back of book." (Source: Herreshoff, N.G. [Handwritten [in ink and pencil] notes in Offset Booklet HH.4.046.] July 1916. Haffenreffer-Herreshoff Collection, MIT Museum, Cambridge, MA.)

"April 18, 1917
Navette, #303
114ft o.a., 108? w.l. 14 beam. 12 breadth w.l.
Built for J.P. Morgan.
Trial for acceptance made today with J. Beavor Webb. Have on board about 15 persons, 5 tons coal and tanks fully 1/2 filled, and practically all equipment.
Vessel is fitted with anthracite coal burning boiler having about 40sqft grate and about 1000sqft heating surface and superheater of 4 runs[?]. 2 - 6 1/4 - 10 & 16 x 19 own[?] engines. Blake 'featherweight' air pump & Blake vertical feed pump. Inside condenser & blower. Propeller 36in dia., 57in pitch.
Trial made in Bay over course from range of Framing place Pt. and Pine Hill to north range of Navy Trial course (7 sea miles) and over Navy Trial Course (1 sea mile) and return --- making turn south of Rose Is[land]. It was intended to make two trials of 2h each, making 8 runs over course & turns, but Mr. Webb was satisfied with one pair of runs. Wind SSW 15 miles, overcast, 47deg, tide about low water slack.
[Followed by tabulated trial run data with mean speed being 20.65kn]." (Source: Herreshoff, N. G. Handwritten note in Experiments Booklet '1911 Trial Trips and Experiments' under date of April 18, 1917. Halsey C. Herreshoff Collection at the Herreshoff Marine Museum.)

"... 1917 when Captain Nat designed the last of his high-speed steam yachts, although as a matter of fact she was not particularly high speed. This was 'Navette,' length, one hundred and fourteen feet, beam, fourteen feet three inches, built for J. P. Morgan, the son of the J. P. who had owned 'Columbia.' 'Navette' was twin screw and had rather a flat, wide stern; her construction plan is shown in Figure 44. Mr. Morgan used her in commuting between Long Island and New York City up until about 1931, and I think she was the last of the steam commuters. She was not designed as much for speed as some of Captain Nat's previous steamers, but she did have good accommodations for her crew. She had a large, roomy after cockpit and, of course, was a safe, reliable and quiet craft. As Mr. Morgan had used the Her-reshoff-built steamer 'Mermaid' for this purpose before, I think I am right in saying he commuted between his home on Long Island and New York City during the summer months for some twenty-five years in these two Herreshoff yachts." (Source: Herreshoff, L. Francis. The Wizard of Bristol. The Life and Achievements of Nathanael Greene Herreshoff, together with An Account of Some of the Yachts he Designed. New York, 1953, p. 246.)

"NAVETTE
by Rebecca C. Herreshoff
Yachts built at the Herreshoff Manufacturing Company have sailed to the far corners of the oceans; even today many are seen in quite unexpected environs. Never, however, have I been more surprised than upon viewing the 114 foot Herreshoff steam commuter NAVETTE tucked away in a remote canal of inland Florida. The years have taken their toll, but NAVETTE is still a magnificent reminder of earlier affluent times. We made a most interesting December visit aboard NAVETTE as guests of the Warren family in LaBelle, Florida.
NAVETTE (French for 'shuttle') was built at the shop in 1917 for Mr. J. Pierpont Morgan. She is an elegant, lean craft built for speed. Her original power plant was a specially built pair of triple expansion steam engines using steam from a high capacity coal fired boiler. Mr. Morgan commuted daily from his Centre Island estate, through Long Island Sound and the East River to Wall Street.
With her high speed, easy motion, sumptuous dining salon, and aft elliptical cockpit, NAVETTE had to be the world's best way to commute to work. J. P. Morgan was proud of his yacht; the Warrens related a story concerning the fact that only once did another craft power pass the NAVETTE. Mr. Morgan was aghast and ordered his engineer to pile on all steam --- NAVETTE accelerated and very soon swept past the offending yacht --- in so doing NAVETTE's stern wave climbed aboard the other boat drenching her owner in the stern sheets.
Following her distinguished early career, NAVETTE was stored for a number of years at the Fife Shipyard in Hempstead, New York. In 1938, Paul Hammond, a good friend of the Herreshoffs, bought NAVETTE's steam engines with the idea of using them in a new boat. At the same time the yacht including the boiler was purchased by Edward Christopher Warren, inventor of the Warren Steam Engine. Mr. Warren, himself a distinguished marine engineer, used NAVETTE as a test vehicle for his own engines.
He and certain of his ten children lived aboard. Marjorie Warren, one of the sister's presently residing on the NAVETTE, recalls how during World War II they found themselves without a licensed engineer. At the urging of the steam inspectors who had witnessed her proficiency with engines, Marjorie Warren passed all the required exams to become the first female licensed chief steam engineer in the United States. Sister Dorothy, who also lives aboard now, became master of the NAVETTE.
While Marjorie and her brother George, (who presently lives by the NAVETTE) worked in an engineering firm, the NAVETTE lay at the World's Fair Marina in New York. Later, the Warrens and their yacht gradually moved south, spending time at St. Simon's Island and other places along the way. It seems that George and his sisters have been afloat most of their lives aboard various large Warren Yachts everywhere from British Columbia to Florida. Consequently, it did not seem to them at all strange to take their large impressive Herreshoff 'launch' to the remote reaches of Lake Okeechobee --- to LaBelle where they have enjoyed NAVETTE for the last 25 years.
NAVETTE's principal dimensions are: LOA 114' 2", LWL 106' 6", Beam 14' 3 1/4", and Draft 3' 6 1/2". Being thus long and lean, she is able to be easily driven to high speed. Her light, but strong, Herreshoff construction was, of course, important to the performance of NAVETTE as was the refined design of her steam machinery.
With originally the crew quarters forward and a raised steering station amidships, much of the mid-length of NAVETTE was taken up by machinery spaces. The galley and dining salon were next aft and form part of the space in which the Warren sisters live today. Their sitting room and bedroom are under a shelter added over Mr. Morgan's large aft cockpit. Here the Warrens enjoy 'all the comforts of home'. A stove and cooking utensils, a writing desk, easy chairs, television and comfortable berths are located port and stbd. aft. It was very pleasant to observe the great pleasure that the Warrens derive from their prized old Herreshoff yacht, NAVETTE." (Source: Herreshoff Marine Museum Chronicle, Spring 1982, p. 1.)

"PROVIDENCE, R. I.. July 20 [1916]. --- The Herreshoffs are to build a new power yacht of high speed for J. P. Morgan. It will be used as an express craft between the office of Mr. Morgan and his home at Mattinnecock Point, Great Neck, L. I. The craft will have a speed of twenty-two to twenty-four miles an hour. It will be 100 feet over all." (Source: Anon. "J. P. Morgan Orders a Speed Yacht." New York Times, July 21, 1916, p. 11.)

"... While there is no new work under way at Herreshoff's, except the express steam yacht for J. P. Morgan, it is expected that before another month has passed the plant will be in full swing with new construction. ..." (Source: Anon. "Notes from the Week's Log." Boston Globe, October 22, 1916, p. 61.)

"THE express cruiser will be more popular next year than ever. Vice-Commodore J. P. Morgan, of the New York Y. C., is having one built by Herreshoff. The hull of this vessel is nearly planked." (Source: Anon. "Spokes from the Rudder Wheel." Rudder, November 1916, p. 532.)

"... An official trial of the new express steam yacht Navette took place off Bristol last Wednesday [April 18, 1917], after the yacht had been limbered up in a series of runs the previous days. Mr J. P. Morgan, the owner, was not present, being represented by his yacht manager. The Navette proved satisfactory in the speed and endurance tests. ..." (Source: Anon. "Notes From The Week's Log." Boston Globe, April 22, 1917, p. 59.)

"The fast yacht Navette, built at the Herreshoff Manufacturing Company for J P Morgan was delivered to its owner yesterday at his country home on Long Island." (Source: Anon. "Bristol and Vicinity." Bristol Phoenix, April 24, 1917, p. 2.)

"Vice Commodore J. P. Morgan of the New York Yacht Club is getting his yachting this season in a new cruising speed yacht called Navette. She is one of the most recent constructions of the Herreshoff yards, from designs by Captain Nathaniel Herreshoff.
Navette which makes her home port at Glen Cove, is a steam driven craft with a measurement of 108 feet on the line and 114 feet overall. She has a wide beam --- 14 feet --- with but a trifle over 3 feet draught, and has shown a speed of close to thirty miles an hour. Although built for speed and for use chiefly in taking Commodore Morgan to and from his home at Glen Cove, or for occasional visits to the Seawanhaka-Corinthian Club, she has ample cruising accommodations for a party of a half dozen, and will probably be seen at Newport later in the season if yachtsmen are ever again to be blessed with favorable yachting weather.
Mr. Morgan's Corsair, which he tendered to the Government at the declaration of war against Germany, is now doing duty as a cruiser and submarine chaser somewhere on the Atlantic, his son, Junius S. Morgan, serving as an ensign in the large crew aboard her." (Source: Anon. "Morgan Has New Yacht. Navette Substitutes for Corsair, which is on Patrol." New York Times, July 29, 1917, p. 26.)

"... Vice Commodore J. P. Morgan of the New York Yacht Club is getting his yachting this season in the speed yacht Navette. She is one of the most recent productions of Herreshoff's and takes the place of the big Corsair which he tendered to the Government at the declaration of war against Germany. ..." (Source: Anon. "Notes from the Week's Log." Boston Globe, August 5, 1917, p. 50.)

"New York, March 8 [1935]. --- J. P. Morgan, banker and art collector ..., last week sold his 114 foot steam yacht, Navette, it became known today.
Mr. Morgan used the yacht to commute from his home at Glen Cove, N. Y., to the New York Yacht club landing at the foot of East 26th street. He used it from 1917, when it was built, until the latter part of last year.
The Navette cost more than $200, 000. It was bought by Leon P. Falk, private banker of Brooklyn. The purchase price was not made public. The yacht was insured for $75,000. Built in Bristol, R. I. The Navette was designed and built by the Herreshoff Manufacturing company at its plant in Bristol, R. I. This company designed and built many of the most famous yachts in the world.
At the Morgan offices no comment was made regarding the sale except confirmation. It was made clear, however, that Mr. Morgan was not contemplating the sale of his larger yacht, the Corsair.
The Navette was placed on the market last December. At that time Mr. Morgan said he no longer had any use for the yacht and wanted it placed on sale.
The Navette, now in drydock at Glen Cove, N. Y., has a gross tonnage of 72 tons. Its beam is 14 feet 2 inches. It has two triple expansion engines, burning oil. It has a speed of about seventeen miles an hour and a cruising radius of about 300 miles.
Capacity Is Limited.
The yacht carries a crew of ten. It is known as a day boat because of its limited cruising radius.
It is finished in teakwood and mahogany. It has an owner's two berth cabin. There is a dining salon to accommodate the owner and five or six guests. There also is a lounging deck that can accommodate about twelve.
It was said today that in all probability the two oil burning steam engines would be taken out of the Navette and replaced with a Diesel engine. This would increase the value of the yacht from an investment and cruising standpoint." (Source: Anon. "114 Foot Yacht Sold By Morgan To N. Y. Banker." Chicago Tribune, March 9, 1935, p. 9.)

"Navette --- 114', fast palatial commuting yacht, until recently owned by J. P. Morgan. Designed and built by Herreshoff. This yacht always has had the best of care, is luxuriously furnished, completely equipped and ready for immediate service. Finest construction and materials throughout. Powered by two triple expansion Herreshoff, 3-cylinder steam engines, 250 H.P. each; oil burners. Lux Fire System throughout. Speed approximately 20 M.P.H.
Must be liquidated --- will be sold for the best offer obtained by June 20, 1935. For inspection and further details communicate with LEON P. FALK, Attorney. 26 Court Street, Brooklyn, N. Y. Telephone CU. 6-2675." (Source: Anon. "For Sale." Motor Boating, June 1935, p. 140.)

"The 108-foot Navette, sold last Winter by Mr. Morgan to Leon P. Falk of Brooklyn, was purchased last week by S. H. Stern of Port Washington, who intends using the craft for commuting." (Source: Anon. "108-Foot Navette Will Be Used for Commuting by Stern, Her New Owner." New York Times, June 16, 1935, p. S9.)

"Museum Acquires NAVETTE Steam Engine
by Lianne C. Oberg
The triple-expansion Herreshoff steam engine originally designed and built for the 114' power boat NAVETTE returned home to the Herreshoff Marine Museum on May 8. The engine was donated to the Museum by Webb Institute of Naval Architecture, Glen Cove, NY, and represents a significant addition to the Museum's collection of Herreshoff steam engines.
NAVETTE was built at the Herreshoff Manufacturing Company in 1917 for Mr. J. Pierpont Morgan. Her dimensions were: LOA 114' 2", LWL 106' 6", Beam 14' 3 1/4", and Draft 3 ' 6 1/2 ". Mr. Morgan used the boat to make the daily commute from his Centre Island estate, through Long Island Sound and the East River, to Wall Street.
NAVETTE was powered by a specially built pair of triple expansion steam engines which used steam from a high-capacity, coal-fired boiler. The engines were purchased in 1938 by Mr. Paul Hammond, a good friend of the Herreshoffs, and later donated to Webb Institute.
According to Mr. Conrad H. Milster, President of the New York Technological Society, the engine designs of Nathanael Herreshoff 'stressed minimum weight per horsepower, and resulted in many unusual features not found in conventional engines. Their connecting rods, made of two extremely thin rectangular bars, were almost a signature of the firm. Extremely large steam passages in the cylinder blocks and the oversized receiver connections, doubled to carry steam from both the top and bottom of the valve chests to the next stage, all helped contribute to their success by reducing steam flow friction to a minimum.'
The NAVETTE steam engine is in superb condition, and was operational until its departure from Webb Institute." (Source: Herreshoff Marine Museum Chronicle, Spring 1987, p. 2.)

"If a person could afford its initial cost, the space it took up, and the licensed operating crew, a steam power plant still had some distinct advantages over a gasoline or diesel engine. To J. P. Morgan, who commuted regularly from his Long Island estate to his Wall Street office in Navette, cost came secondary to a quiet and relaxing ride --- during which conversation, whether relating to business or pleasure, could be carried on in normal tones as the scenery flashed past.
Navette was an anachronism in her day, however, because by 1917 gasoline or diesel were the almost universally accepted power plants. That never bothered Morgan, who owned Navette until 1935, never finding it necessary to replace her original Herreshoff steam engines.
In 1938, Navette was purchased by E. C. Warren, tied up, and used as a floating home --- at first near the New York World's Fair grounds, and later in La Belle, Florida, on the Okeechobee waterway connecting West Palm Beach with Fort Myers, where, as recently as 1982, Warren's two daughters were still living aboard. Navette's triple-expansion, Herreshoff-designed and -built steam engines were removed long ago. Paul Hammond purchased them in 1938, and one has recently found its way --- via the Webb Institute of Naval Architecture --- to the Herreshoff Marine Museum." (Source: Bray, Maynard and Carlton Pinheiro. Herreshoff of Bristol. Brooklin, Maine, 1989, p. 123.)

"[Item Description:] Penciled trial run note for an unidentified steam vessel. With tabulated data for two triple expansion engines (port and starboard) for three runs (South, South and North). Only 12 steam yachts with twin triple expansion engines were built by HMCo. The rather high revolutions (between 609 and 656) shown on this note suggest a smaller engine, such as the 5 5/8 & 9 & 14 x 9 engine used for #244p LITTLE SOVEREIGN or the 6 1/4 & 10 & 16 x 9 engine used for #303p NAVETTE." (Source: Halsey C. Herreshoff Collection at the Herreshoff Marine Museum Item MRDE03_03610. Trial Run Note. Folder [no #]. No date.)
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"N/A"

"[Item Transcription:] Five noteblock sheets with penciled notes relating to #303p NAVETTE's boiler: 'Tubes shipped in order # 6334. Requisition # 5260. US Navy Yard New York Feb 6/12 ...', 'Bumpd[?] Heads
Steam drum
Manhole plates
for 303 boiler
Lukens Marine ...', 'Steam drum for #303
Glascow Iron Co.
Prattstown PA ...', 'Water drum covers
Lukens steel ... Received this plate
Feb 1 - 1911', 'Tubes for 303 - 3/4in od average length about 53 3/4in
1260 tubes ...'. Undated (NAVETTE was built in 1916/1917)." (Source: MIT Museum, Hart Nautical Collections, Haffenreffer-Herreshoff Collection Item HH.6.109. Boiler Notes. Box HAFH.6.3B, Folder Boilers - Notes. No date (1916 or 1917 ?).)
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"[Item Description:] Two sets of penciled pantograph hull sections with tracing marks on sans-serif 'Herreshoff Manufacturing Company, Bristol, R.I.' stationery. Titled '110ft x 14ft Express st[eame]r for J.P.M. [#303p NAVETTE]. This model not used'. One set of sections is marked '1st trial' with no further calculations, the other is marked '2[nd] trial' and is accompanied by some scantlings calculations arriving at a total displacement of 1163cuft [= 74432lbs] = 37.2tons. The model used to draw these sections has not been identified yet and differs markedly in its stern sections from the model eventually used for NAVETTE. Undated (pantograph hull sections from NAVETTE's final model were drawn on July 22, 1916, suggesting these sections to have been created even earlier.)" (Source: Herreshoff, N.G. (creator). Pantograph Hull Sections. Halsey C. Herreshoff Collection at the Herreshoff Marine Museum Item MRDE04_03880. Folder [no #]. No date (1916-07 or earlier ?).)
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"[Item Description:] Typewritten (carbon copy) contract and specifications, untitled and undated, for a 'Twin Screw Steam Yacht', LOA 109ft and LWL 103ft 6in, to be delivered 'the latter part of April 1917'. Though not identified by name, of slightly different dimensions and specifying a different steam engine size than that ultimately chosen, this appears to be a draft for a contract for #303p NAVETTE, possibly for the first design which NGH made which was not built." (Source: Herreshoff Manufacturing Co.. (creator). Contract and Specifications. Halsey C. Herreshoff Collection at the Herreshoff Marine Museum Item MRDW02_02040. Folder [no #]. No date (1916-07 or earlier).)
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"[Item Description:] Typewritten (carbon copy) contract and specifications, untitled and undated, for a 'Twin Screw Steam Yacht', LOA 109ft and LWL 103ft 6in, to be delivered 'the latter part of April 1917'. Though not identified by name, of slightly different dimensions and specifying a different steam engine size than that ultimately chosen, this appears to be a draft for a contract for #303p NAVETTE, possibly for the first design which NGH made which was not built." (Source: Herreshoff Manufacturing Co.. (creator). Contract and Specifications. Halsey C. Herreshoff Collection at the Herreshoff Marine Museum Item MRDW02_02100. Folder [no #]. No date (1916-07 or earlier).)
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"[Item Description:] HMCo Plan HH.5.00392 (005-178). Blueprint general arrangement plan with interior plan and inboard profile titled 'Designs for 110ft O.A. Express Steamer. 100 w.l. ... July 9, 1916'. This is apparently a preliminary plan for #303p NAVETTE from the first model which was not used." (Source: Herreshoff Manufacturing Co. (creator). Blueprint. Halsey C. Herreshoff Collection at the Herreshoff Marine Museum Acc. 2004.0001.0025. WRDT08, Folder 3, formerly MRDE08. 1916-07-08.)
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"[Item Description:] HMCo Plan HH.5.00393 (005-179). Blueprint general arrangement plan with plan view and outboard profile titled 'Designs for 110ft O.A. Express Steamer. 102 w.l. ... July 8, 1916'. This is apparently a preliminary plan for #303p NAVETTE from the first model which was not used." (Source: Herreshoff Manufacturing Co. (creator). Blueprint. Halsey C. Herreshoff Collection at the Herreshoff Marine Museum Acc. 2004.0001.0026. WRDT08, Folder 3, formerly MRDE08. 1916-07-08.)
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"[Item Description:] Penciled pantograph hull sections titled '#303 [NAVETTE]. 105[ft] w.l. St[eame]r for J.P. Morgan Esq. Scale 1/2in. Spaces 10ft 6in. Note: Sheer to be straigthened 4in by giving 4in more depth amisdhips'. No further notes or calculations." (Source: Herreshoff, N.G. (creator). Pantograph Hull Sections. Halsey C. Herreshoff Collection at the Herreshoff Marine Museum Item MRDE04_03890. Folder [no #]. 1916-07-22.)
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"[Item Transcription:] Blueprint of boiler No. 303 [for #303p Navette] is hereby returned, approved for 300 pounds working pressure.
Your attention is directed to Rule II, Section 28, of the General Rules and Regulations, which would require all parts of superheater, also pipe and fittings in contact with superheated steam to be of steel." (Source: Jackson, Albert R. (Department of Commerce, Steamboat Inspection Service). Letter to Herreshoff Manufacturing Co. MIT Museum, Hart Nautical Collections, Haffenreffer-Herreshoff Collection Item HH.6.107. Box HAFH.6.3B, Folder Boilers - Correspondence. 1916-10-16.)
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"[Item Description:] I hope to have #306 [SP-1841] ready to run again early next week, she is now hauled out, one cylinder is rebored and the other partly done, #312 [STINGER] is in the water and nearly ready to leave, #308 [SP-1841] should be ready in about ten days, #303p NAVETTE's superheater, French gov't has asked us to bid on large patrol boat, Sid and Winslow are working out a design, Richards is ready to sign up if we give him 19kn speed [this will be #329p CAROLA], store house is half finished and cottage is now on Brownell's place" (Source: Swan, James. Letter to N.G. Herreshoff. Halsey C. Herreshoff Collection at the Herreshoff Marine Museum Item MR_50840. Subject Files, Folder [no #]. 1917-11-19.)
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"[Item Transcription:] Handwritten (in ink) trials booklet titled '1911. Trial Trips and Experiments'. Relevant contents:
§25: #303p NAVETTE Trial Run Beavor-Webb on board, mean speed 20.65kn (1917-04-18)." (Source: Herreshoff, N.G. (creator) and Herreshoff, A. Sidney deW. (creator). Trials Booklet. Halsey C. Herreshoff Collection at the Herreshoff Marine Museum Item MRDE07_04280. Folder [no #]. 1911-06 to 1926-05.)
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Note: This list of archival documents contains in an unedited form any and all which mention #303p Navette even if just in a cursory way. Permission to digitize, transcribe and display is gratefully acknowledged.

• Navette (HMCo-made index card)
• Navette (MIT Museum-made index card)
• Note: The vessel index cards comprise two sets of a total of some 3200 cards about vessels built by HMCo, with dimensions and information regarding drawings, later or former vessel names, and owners. They were compiled from HMCo's early days until 1920 and added to in later decades, apparently by Hart Nautical curator William A. Baker and his successors. While HMCo seems to have used only one set of index cards, all sorted by name and, where no name was available, by number, later users at MIT apparently divided them into two sets of cards, one sorted by vessel name, the other by vessel number and greatly expanded the number of cards. Original HMCo cards are usually lined and almost always punched with a hole at bottom center while later cards usually have no hole, are unlined, and often carry substantially less information. All cards are held by the Francis Russell Hart Nautical Collections of the MIT Museum in Cambridge, Mass.

Name: Navette
Type: Steam
Length: 114'2"
Owner: Morgan, J. Pierpont

Source: Herreshoff Manufacturing Company. "A Partial List of Herreshoff Clients." In: Herreshoff Manufacturing Company. Herreshoff Yachts. Bristol, Rhode Island, ca. 1931.

• Navette
• Note: The L. Francis Herreshoff index cards comprise a set of some 1200 cards about vessels built by HMCo, with dimensions and / or ownership information. Apparently compiled in the early 1930s, for later HMCo-built boats like the Fishers Island 23s or the Northeast Harbor 30s are not included. Added to in later decades, apparently by L. F. Herreshoff as well as his long-time secretary Muriel Vaughn and others. Also 46 cards of L. F. Herreshoff-designed vessels. The original set of index cards is held by the Herreshoff Marine Museum and permission to display is gratefully acknowledged.

Name: Navette
Type: 114' power
Owner: J. P. Morgan
Year: 1917
Row No.: 466

Source: Herreshoff, L. Francis. "Partial List of Herreshoff-Built Boats." In: Herreshoff, L. Francis. Capt. Nat Herreshoff. The Wizard of Bristol. New York, 1953, p. 325-343.

Year: 1916
E/P/S: P
No.: 303
Name: Navette
OA: 114' 2"
LW: 106' 6"

Source: Vermilya, Peter and Maynard Bray. "Transcription of the HMCo. Construction Record." Unpublished database, ca. 2000.

Note: The transcription of the HMCo Construction Record by Peter Vermilya and Maynard Bray was performed independently (and earlier) than that by Claas van der Linde. A comparison of the two transcriptions can be particularly useful in those many cases where the handwriting in the Construction Record is difficult to decipher.

"[See also:] Accession Number: 1953.3070
Category: ENGINES
Type: inboard steam engine
Maker: Herreshoff
Date: After 1916
Description: Herreshoff marine engine, 3 cylinder, triple expansion steam with exposed cranks, 350 HP; high, intermediate and low pressure cylinders in tandem; drip wick oil supply on eccentric straps, gravity feed oil supple and crank bearings steel piston and eccentric rods; relief valves on each cylinder; piston valves on steam parts; from commuter yacht NAVETTE, built 1916 by Herreshoff. [Note: Mystic Seaport Museum owns one of Navette's steam engines. The other is owned by the Herreshoff Marine Museum.]" (Source: "Herreshoff steam engine from commuter yacht NAVETTE." Mystic Seaport Museum, http://library.mysticseaport.org/ere/odetail.cfm?id_number=1953.3070, retrieved September 27, 2010.)

"Steam engine rating 285hp from undated (1903 or later) diagram by N. G. Herreshoff titled 'Marine Engine. Weights and Prices' in the Halsey C. Herreshoff Collection at the Herreshoff Marine Museum." (Source: van der Linde, Claas. March 24, 2019.)

"Marine Engine of Open Type. 6 1/4 & 10 & 16 x 9, 610[rpm], 285[hp]. [Note:] 2100lbs [in pencil]." (Source: Herreshoff, N. G. Handwritten List of HMCo-Made Steam Engines. Halsey C. Herreshoff Collection at the Herreshoff Marine Museum, MRDED1_00220. Undated, between 1903 and 1918.)

"Built in 203 days (contract to launch; equivalent to 739 lbs displacement/day)." (Source: van der Linde, Claas. January 16, 2024.)

"In the absence of better available data displacement was estimated by using the figure for Gross Register Tons (75) from the 1930 Lloyd's Register of American Yachts (Net Register Tons were reported as 51) and converting to lbs by dividing through 2000 (short tons). Note that this figure can only be a rough estimate because register tons as reported in Yacht Registers correlate only loosely with actual displacement figures." (Source: van der Linde, Claas. March 17, 2015.)

Note: Research notes contain information about a vessel that is often random and unedited but has been deemed useful for future research.