| Description | 30. Portsmouth Dockyard Extension - Main, Drainage and Sluice Engines. Nov. 1873, Jun. 1874. 2 items.
Main engine: Compound engine with 40 inch and 64 inch cylinders.
Drainage engines: Two inverted vertical engines, with 16 inch cylinders, 2 foot strokes.
Sluice engine: Inverted vertical engine, with 10 inch cylinder, 1 foot stroke.
Sectional elevation of the pump well, steam pipes etc. - partially coloured tracings. Both drawings bear letter codes.
For the Honourable the Commissioners of the Navy. H. M. Dockyard, Portsmouth.
See also: Portfolios 6/6, 69a, 90, 93; 7/1a, 11. |