| Description | Steam Boat Engines (20 items).
1178. Danube Steamer No. 12 (LC & LD). Jun.-Oct. 1837, Feb., Mar. 1838. 20 items.
Two 30 horse power side lever boat engines, with 32¾ inch cylinders, 2½ foot strokes, 20 horse engine framing.
Cross-section of the boat and engines, longitudinal section of engine and boiler, plan of the engines and boilers and sleepers - reverse drawings made in the London office; sections of boiler - partially coloured drawing made in the London office for Arrow and Watersprite and re-used for this boat; cylinder - partially coloured original and partially coloured reverse drawings; upper and lower headstocks - partially shaded original and reverse drawings; coal boxes - reverse drawing; steam, feed and emptying pipes - partially coloured original and partially coloured reverse drawings; working gear, eccentric rod, disengaging gearing and reversing gearing, main lever and gudgeons, cylinder and air pump cross bars, connecting rod cross bar, links, air pump side rods - partially coloured original and partially coloured reverse drawings; sketch of steam box. All the drawings except the first ones made in the London office and the last item bear letter codes.
Original Portfolio or 'Book' No. 913. Catalogue of Old Engines p. 320.
For the Imperial & Royal Danube Steam Navigation Co. Iron boat. The name of the boat is not recorded.
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