| Description | Steam Boat Engines (13 items).
1190. Lake Neufchatel Steamer Union (FF & FP). Feb., May, Jun., Sep. 1825, Jan. 1826. 13 items.
Two 14 horse power side lever boat engines, with 23½ inch cylinders, 2½ foot strokes. Boat sold to the Constance Steam Boat Co. 1831.
Copy of section of the boat received from Col. du Thon; cross-section of the boat and engines, plan of the engine room, longitudinal section of the engine room - drawings made in the London office; longitudinal section of the engine room - coloured drawing; section and plan of boiler - partially coloured reverse drawing; paddle wheel - original and coloured reverse drawing; longitudinal and cross-sections of the engine room showing boiler, plan and cross-section of the engine room - coloured original and reverse drawings; note re details of the engines and rough sketch of paddle wheel sent to the Foundry (2 small sheets stuck together). The paddle wheel and engine room drawings bear letter codes.
Original Portfolio or 'Book' No. 796. Catalogue of Old Engines p. 312.
For Lake Neufchatel. The agents were Haldimand & Sons of London. The boat may have originally been intended to have 10 horse engines, as it is listed with such engines in The List of Engines made at Soho. The boat was sold to the Constance Steam Boat Co. in 1831 and worked on the Rhine. The boat's draft drawing of this time (in The Steam Boat Box, 5/1477) suggests that the boat was re-named Helvetia.
See also: 4/95 (Engine Order Book No. 9).
Portfolio 5/1191.
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