| Description | Steam Boat Engines (29 items).
1157. Herne Bay Steamer No. 3, Herne (JB & JC). Mar.-May, Nov. 1843, Oct. 1844, May 1846. 29 items.
Two 60 horse power side lever boat engines.
Cross-section of part of boat and one engine - partially coloured original drawing, and partially coloured reverse drawing showing the whole boat and both engines; 3 reverse drawings of headstocks, numbered 2, 3 and 4 and all marked "not adopted"; memorandum re tubular boiler; plans and sections of boiler - partially coloured original and partially coloured reverse drawing; large scale drawing of various tube arrangements for the boiler - partially coloured drawing made in the London office, with memorandum and calculations (2 sheets); arrangement of the tubes - coloured original drawing; longitudinal section of engine and boiler and plan of engines and boiler and sleepers - coloured drawings made in the London office; steam, feed and injection pipes - partially coloured original drawing; blow-out pipes and cocks; sketch for steam box casing and tubular boiler - partially coloured original and reverse drawings made in the London office, with memorandum; cross-sections of the boat - partially coloured drawing made in the London office; feeding pipes and hand pump pipes - partially coloured original and reverse drawings (the reverse drawing is marked "see a corrected drawing"); feeding pipes and hand pump pipes - partially coloured reverse drawing (the "corrected drawing"); hot water pump valve box and cock for regulating supply of feed - coloured reverse drawing; additional headstock frame for 2 60 horse engines on light framing - partially shaded original and partially shaded reverse drawings. Several of these drawings bear letter codes.
Also the following later items: sections and plans of tubular boiler - 2 partially coloured original and 2 partially coloured reverse drawings made in the London office, Oct. 1844; longitudinal section of engine room and plan of deck beams - partially coloured reverse drawing made in the London office, May 1846. All these drawings except the last item bear letter codes.
Original Portfolio or 'Book' No. 946. Catalogue of Old Engines p. 322.
For the Herne Bay Steam Packet Co. This iron boat was initially called Heron, but had been re-named Herne by Jun. 1843.
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