| Description | Bombay Steam Navigation Co., India, Steam Boats Surat (HM & HN) and Dwarka (HO & HP).
Apr., Jun.-Oct. 1846.
Two sets of two 30 horse power oscillating engines.
Tracing of midship section; cross-section of the boat showing engines and paddle wheels etc., longitudinal section of the engine room and boiler, plan of the engine room and boiler, plan of the deck beams - coloured drawings; sketch showing the method used in London of constructing the fronts of tubular boilers - partially coloured drawing; spring for keeping eccentric in gear - partially coloured reverse drawing; expansion valves - partially coloured reverse drawing; plan and section of the iron deck - coloured drawing; expansion grades - partially coloured drawing and partially coloured tracing; working gear - partially coloured drawing. Some of the drawings bear letter codes.
For the Bombay Steam Navigation Co., India. The boats were built by Thomas Vernon & Son. These drawings were made in the London office. Copies were sent to Soho, with these being sent at a later date.
See also: Portfolio 5/1205. |