| Description | Steam Boat Engines (23 items).
1247. Ceylon Steam Vessel Seaforth (LA & LB). May-Jul. 1837, Jan. 1838, Jan. 1845, Mar. 1847, Oct. 1849, May 1850. 23 items.
Two 30 horse power side lever boat engines.
Cross-section of the boat and engines, plan of the engine deck beams and longitudinal section of the engine and boiler, plan of the engine sleepers - reverse drawings made in the London office; coal boxes; lower headstock with back arches added - partially shaded original and partially shaded reverse drawings; steam, feed and emptying pipes - partially coloured original and partially coloured reverse drawings; upper headstock frame - original and reverse drawings; working gear - partially coloured original and partially coloured reverse drawings. All the drawings except those made in the London office bear letter codes.
Also the following later items: brine pump and valves, brine pumps and pipes - partially coloured original and partially coloured reverse drawings, Jan. 1845; fenders - partially coloured direct copy, Mar. 1847; plan, longitudinal and cross-section showing proposed tubular boiler - reverse drawings, Oct. 1849; plans and sections of tubular boiler - partially coloured original and partially coloured reverse drawings made in the London office, May 1850; steam, feed and emptying pipes - partially coloured original and partially coloured reverse drawings, Sep. 1850. All these drawings bear letter codes.
Original Portfolio or 'Book' No. 911. Catalogue of Old Engines p. 320.
For H. M. Secretary of State for the Colonies. |