| Description | 89. Tug Boat, London Engineering & Iron Ship Building Co. Ltd. (RD & RE). Dec. 1868. 49 items.
Two 35 horse power side lever boat engines, with 34 inch cylinders, 3 foot strokes.
Shafts and cranks - partially coloured drawing made in the London office; plan and sections of the boiler - partially coloured original and reverse drawings; section of boiler - partially coloured tracing; sketch longitudinal and cross-sections of the boat, rough sketch of position of butt and seams of plating - 2 tracings sent by the London Engineering Co.
Elevation and plans of the engines and boiler, cross-section at the engines, cross-section at the boiler, plan of the deck beams and steam pipes - coloured original drawings, coloured copies and coloured reverse drawings all made in the London office. The second and reverse copies bear letter codes.
Paddle wheel; paddle shaft; levers; cylinder side rods (marked "proposed"); cylinder side rods; air pump side rods (2 drawings); air pump cross bar; connecting rod cross bar and links and cylinder cross bar; connecting rods; connecting rod and links; cranks and pins; crank shaft; outer block; working gear; eccentric; eccentric rod; position of eccentric stop; starting gear; starting gear brackets (2 drawings); exhaust pipes; feed and bilge pumps; feed and bilge pump catch gear; deck disengaging gear; safety valve gear; throttle valve; section through the slide valve case - partially coloured tracing; eccentric catch - pencil drawing; 2 small pencil sketches of ?.
For tug boat built by the London Engineering & Iron Ship Building Co. |