| Description | 70. Portsmouth Dockyard, Rolling Mill Engine (JD). Aug., Oct., Nov. 1842, Mar. 1843, May 1844, May 1847. 18 items.
80 horse power double-acting independent crank engine, with 44 inch cylinder, 7 foot stroke, parallel motion, cast iron beam, cast iron connecting rod.
Also rolling mill machinery.
Proposed arrangements of the engine, Aug. 1842:
Sketch elevations No. 1, No. 2 and No. 3 (with reverse copy); side and end elevations of the engine - partially shaded drawing; sketch plan of the engine (not dated).
Transverse sections of the engine - partially shaded drawing and tracing; sections of the boiler - partially coloured drawing and tracing; plan of the engine and boiler - partially shaded drawing and tracing.
Cornice - partially shaded sketch; sketch for column; sketch for entablature; small rough sketch of column.
Also "Plan showing an arrangement for improving the Rolling operation at the Metal Mills", with tracing copy, Nov. 1842.
For the Honourable the Commissioners of the Navy. Rolling mill engine, Portsmouth Dockyard. These drawings were kept in the London office and sent to Soho at a later date.
See also: Portfolio 5/541a. |