| Description | 87. Lord Stafford's Yacht (BJ & BK). Nov. 1855-May 1856, Dec. 1856, Dec. 1857, Apr. 1859. 31 items.
Two 25 horse power engines, with 24 inch cylinders, 15 inch strokes.
Sketch of the position of engines and boiler (showing shaft and propeller).
Cylinder and slide - coloured original and coloured reverse drawings; end view of cylinder etc. - original and reverse drawings; forward plummer block of crank shaft, plummer block - partially coloured drawings; air pump etc. - 2 coloured drawings; cross-section at the centre of the air pumps - coloured drawing; diagram of slide valve motion; sections and plan of boiler - partially coloured drawing; slide valve and case - coloured drawing; connecting rods etc. - partially coloured drawing; eccentric circle and link - 2 partially coloured drawings; general sketch of eccentrics - 2 partially coloured drawings; sketch of feed and bilge pumps, section of feed and bilge pumps - coloured drawings.
Plan of the engine room and boiler etc. - 2 coloured drawings; longitudinal section of the engine room and boiler - partially coloured drawing; plan and section of the engine sleepers - coloured drawing. Most of these drawings were made in the London office, and some bear letter codes.
Starting lever and details, cylinder frame, cylinder frame and starting levers [?] (not titled), air and feed and bilge pumps, eccentric rod and link etc., additional feed pump - coloured drawings made at Soho [?].
Also the following later item: alteration made in the air pump bucket rod…, Apr. 1859.
Original Portfolio or 'Book' No. 1049.
For the Marquess of Stafford (George Granville William Sutherland-Leveson-Gower, Duke of Sutherland, styled Marquess of Stafford 1833-1861). The yacht was called Undine. |