| Description | Steam Boat Engines (12 items).
1179. Danube Steamer No. 13 (LL & LM). Oct.-Dec. 1837, Jan., Mar. 1838, Jan. 1839. 12 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, plan of the engine room deck beams, longitudinal section of the engine room and boiler, plan of the engines and boiler and sleepers - reverse drawings made in the London office; sections and plan of the boiler - partially coloured original and partially coloured reverse drawings made in the London office; wrought iron beam - reverse drawing made in the London office; upper and lower headstocks - shaded original and reverse drawings; paddle wheel 0 partially shaded drawing marked "not adopted"; "Memo. for Reduction of Weight in the Danube 20s - 30s Number 13" (in James Brown's hand) .
Also the following later items: wrought iron beam - partially shaded original and reverse drawings, Jan. 1839. Most of the drawings bear letter codes.
Original Portfolio or 'Book' No. 915. 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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