| Description | Steam Boat Engines (12 items).
1155. Darthez Bros., Spain (GU & GV). Sep.-Nov. 1823, Aug., Sep. 1824, Apr. 1836. 12 items.
Two 15 horse power side lever boat engines, with 23½ inch cylinders, 2½ foot strokes.
Cross-section of the boat and engines, plan of the engines and boiler, side view of engine and boiler - sheet of coloured reverse drawings; steam pipes, injection pipes - coloured original drawings; paddle wheel and shaft, upper headstock frame - coloured original and coloured reverse drawings. All of these drawings except those of the pipes bear letter codes.
Also the following later items: sketch plan and section of boiler for Royal George - reverse drawing, Aug. 1824; plans and sections of boiler - partially coloured reverse drawings, Sep. 1824 marked "St. George" and "not made"; section and plan of boiler for 2 15 horse engines - coloured reverse drawing, Sep. 1827, re-used in Apr. 1836; section of boiler as made by Whitehouse for the Betis, 2 15 horse engines - partially coloured drawing, 1836; Most of these drawings bear letter codes.
Original Portfolio or 'Book' No. 771. Catalogue of Old Engines p. 314.
For a Spanish customer. The vessel ran between San Lucar and Cadiz, Spain. Darthez Bros. of 17 Camomile St., London were the agents.
See also: 4/95 (Engine Order Book No. 9).
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