Trinity House Yacht Argus, 1839, 1840, 1844, 1847, 1848, 1851, 1855

Steam Boat Engines (27 items).

1165. Trinity House Yacht Argus (MD & ME). Apr., Jul., Aug., Nov., Dec. 1839, Jan. 1840, May, Sep., Oct. 1844, Mar. 1847, Aug, 1848, Dec. 1851, May 1855. 27 items.
Two 50 horse power side lever engines. Power increased to 60 horses 1844.

Side view and plan of engines and boiler - partially coloured reverse drawing made in the London office; cross-section of the boat and engines, plan of the engine deck beams, longitudinal section of engine room and boiler, plan of the engines and boiler and sleepers - partially coloured reverse drawings made in the London office; feed and waste water pipes, emptying pipes and cocks for boiler - partially coloured original and partially coloured reverse drawings; plan of the coal boxes - partially coloured reverse drawing made in the London office; eccentric circle and rod and disengaging and reversing gear, paddle wheel, engine and paddle cranks, shafts and plummer blocks, working gear - coloured original and coloured reverse drawings. All of these drawings except the first 4 made in the London office bear letter codes.
Also the following later items: plan and sections of tubular boiler for 2 belted 60 horse cylinders - 2 sheets of partially coloured drawings May 1844 (1 made in the London office); coal boxes - partially coloured reverse drawing, Sep. 1844; plan of new arrangement of the engine room, longitudinal section of the altered engine room - partially coloured reverse drawings made in the London office, Sep. & Oct. 1844; plan and sections of tubular boiler - partially coloured original and partially coloured reverse drawings made in the London office, Mar. 1847; plan and sections of tubular boiler - partially coloured reverse drawing marked "Third boiler", made in the London office Aug. 1848; new paddle wheels and shafts - partially coloured original and reverse drawings and small tracing made in the London office, Dec. 1851; tracing of shaft made in the London office, May 1855. Several of these drawings bear letter codes.

Original Portfolio or 'Book' No. 924. Catalogue of Old Engines p. 154.

For the Corporation of Trinity House, London.