| Description | 39. H. M. Dockyard, Gibraltar. Dec. 1856, Apr. 1857, Feb. 1858. 9 items.
16 horse power independent crank engine, with 23½ inch cylinder, 3 foot stroke.
Plan of the engine and boiler houses - partially coloured drawing; longitudinal section of the engine and engine house; cross-section of the engine and boiler houses - partially coloured original and coloured reverse drawings; longitudinal section of boiler and boiler house - partially coloured original and partially coloured reverse drawings; cylinder and slide valve - partially coloured drawing; parallel motion - partially coloured original and partially coloured reverse drawings (also used for a 20 horse engine for the Bombay Mint, 1860). All the drawings bear letter codes.
Original Portfolio or 'Book' No. 1060.
For the Honourable the Commissioners of the Navy. Dockyard, Gibraltar.
See also: Portfolio 6/7 (cylinder). |