| Description | Pumping and Canal Engines. (22 items).
New beam, parallel motion, pump rod etc. added to the above engine, 1788.
Unmarked general view of the engine - draft? (showing chain connection, but the beam is slightly different to that shown in the 1776 and 1778 views); reverse general view showing new beam, parallel motion, pump rod etc.; end view of the boiler as altered 1 May 1788 - direct copy; plummer blocks, gudgeons, saddle plates, king post sockets etc., beam and parallel motion, sockets for king post bottoms, perpendicular links, piston rod cap, outer and inner ends of beam, piston rod cap (full size drawings), pins and bars, regulating radius, parallel bars - reverse drawings; small sheet of notes on the required alterations; sketches of the cylinder case, working barrel etc. (not dated); fragment of a press copy plan of the cylinder bottom; sheet of sections of the engine house and plan of the engine house and boiler (not dated sent to Boulton & Watt?); sheet of sections of the engine house, 1 direct and 3 reverse plans of the engine house, boiler, coal hole, chimney and pit - these drawings are not dated.
Also plans and section of air pump, 15 Sep. 1794.
Original Portfolio or 'Book' No. 98. Catalogue of Old Engines p. 284.
Alterations made in 1788 to the engine at Hawkesbury Colliery, Bedworth, near Coventry, Warwickshire. This engine was usually referred to as "The Bedworth Engine". John Southern opened Book 98 in 1788 especially for these alterations, which coincided with the engine being moved to Exhall Colliery.
See also: Incoming Correspondence.
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