| Title | Hot and cold water pumps, 1814, 1815, 1817, 1818, 1820, 1825, 1832, not dated |
| Description | Components and Parts of Boat Engines and Boat Engines for Land. (12 items).
1420. Hot and Cold Water Pumps. 1814, 1815, 1817, 1818, 1820, 1825, 1832, not dated. 12 items.
1810s:
Sections and plan of cold water pump for John Molson's 45 horse boat engine [Malsham] - shaded drawing, Jan. 1814.
Hot water pump, hold pump etc. for Philip Purcell & Co. - partially shaded drawing, Jan. 1815.
Cold and hot water pumps for 60 horse boat engine - partially shaded drawing, Mar. 1817.
Hot water pump, injection etc. for 30 horse boat engines, Dec. 1818.
Plan of the hot water pump, pipes etc. for 30 horse boat engines, Dec. 1818.
1820s:
Hot water pump etc. for 10 horse boat engine - partially coloured drawing, Mar. 1820.
Hot water pump for 80 horse boat engine - partially shaded drawing, Jul. 1825.
1830s:
Hot water pump etc. for 110 horse boat engine, Nov. 1832.
Hot water pump etc. for 100 horse boat engine - partially coloured drawing, not dated [circa Nov. 1832].
[Also used for Silverdale Iron Works, Nov. 1847.]
Not dated:
Hot water pump etc. for 15 horse boat engine - coloured drawing.
Pencil sketch plan of hot water pump and bilge pump.
Sketch of a hot water pump for a boat engine.
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