| Description | 50. Lambeth Water Works, London (FS). Dec. 1849, Jan.-Apr., Jun. 1850. 27 items.
12 horse power independent crank engine, with 3 foot stroke, parallel motion.
Also design for two horizontal engines.
Plan, elevation and section of the engine and pump - original and partially coloured reverse drawings; plan, elevation and section of the engine and pump (smaller scale than the previous drawing) - original and reverse drawings; sections and plan of the air vessel and suction pipe - coloured tracing and copy. These drawings were made in the London office.
Connecting rod and crank - partially coloured reverse drawing; girder to support pump - original and reverse drawings; pump work - partially coloured reverse drawing; air vessel - partially coloured drawing; steam stop pipe and throttle valve - coloured drawing; stop valve for air vessel - partially coloured reverse drawing; plunger rod and cross bar - partially coloured drawing; suction pipe for double pump, cold water pump stand and suction pipes - partially coloured reverse drawing; back stop valve for feed pipes - partially coloured original and partially coloured reverse drawings; fly wheel for 14 horse engine - reverse drawing marked "Sketched from that made for the 12 horse Lambeth W. W." and "Fly wheel for the Soho Mint Rolling Mill from this drawing"; slide valve and case - partially coloured reverse drawing; expansion gearing, feed regulating apparatus, pump rods - partially coloured original and partially coloured reverse drawings. All these drawings bear letter codes.
Sections and plan of engine platform showing pipes - partially coloured drawing (not titled or dated).
Also "Design for a Pair of Pumping Engines" (two horizontal engines, with 40 inch cylinders, 8 foot strokes) - drawing made in the London office marked "Lambeth Water Works Extension."
Original Portfolio or 'Book' No. 955.
For Lambeth Water Works, London.
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