| Description | Jul. 1860, Aug. 1861, Dec. 1862, Jan. 1868, Oct., Nov. 1884, Feb. 1885, Jan., Nov. 1887, Jun. 1888, Jan.-May 1890.
Parts for various engines, cutting out press, laying on apparatus, ingot moulds. Also 250 horse power inverted vertical compound engine, with 22 inch and 40 inch cylinders, 3½ foot stroke.
Bombay Mint:
40 horse engine air pump and condenser - partially coloured drawing, Jul. 1860 [see Portfolio 5/708c for main drawings].
Side elevation, section and plans of cutting out press as made - coloured reverse drawing, Aug. 1861 (also used for the Calcutta New Mint).
Plan and sections etc. of laying on apparatus - coloured reverse drawing, Dec. 1862, with partially coloured tracing made Jan. 1868 and coloured tracing made Nov. 1887.
Bombay New Mint Engine Drawings, 1884 and 1885:
Details of guide to tail rod for low pressure cylinder - partially coloured drawing, Oct. 1884.
Details of wall boxes, crank shaft and wheels, Nov. 1884.
General arrangement of working and automatic expansion gear - partially coloured drawing, Feb. 1885 (showing a horizontal engine).
Ingot Moulds for Casting Rupee Bars:
Plan and elevation of a set of moulds - partially coloured drawing, Jan. 1887.
Plan and elevation of moulds - partially coloured drawing, Jun. 1888.
Rolling Mill Engine (inverted vertical compound engine IS), Jan.-May 1890:
Details of low pressure cylinder - partially coloured drawing.
Details of air pump bucket and delivery valves - partially coloured drawing.
Detail of blocks and wall boxes - partially coloured drawing (also used for Great Grimsby Water Works).
Cold water pump - partially coloured drawing.
Foundations for the engine - coloured drawing.
Front and side view of the engine showing general arrangement of pipes etc. - coloured drawing (this drawing bears notes by Henry Hazleton for a later order).
Plan of the engine showing general arrangement of pipes etc. - coloured drawing.
Unidentified:
Drawing of ? marked "Templates in William Jerome's charge" (not coded or dated).
All the drawings except the last item bear letter codes.
For the Bombay Mint and Bombay New Mint, India. The original Bombay Mint was established by the East India Co. in 1823, and expanded in 1860 and 1863. The Bombay New Mint was established in 1884.
See also: Portfolios 5/708a-c (Bombay Mint), 7/8 (Bombay Mint and New Mint).
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