No. 5 Are Drawings of an engine from J. Sadler’s, but which was never completed, 1794. No. 6 Drawings and description of Thos. Savory’s Engine for raising water by the help of fire, June 14th, 1799; the description states that the inventor entertained the Royal Society by shewing a small model which he made to work before them. No. 7 Is a plan of Watt’s steam wheel in all parts, but no date. No. 8 Plan of a substitute for ropes, being an iron chain of novel construction to be used for coal mines, by Bingley, 1795. No. 9 Glazebrook’s scheme to effect a perpendicular motion, 1794. No. 10 Plan of Adam Hislop’s engine to work without a beam, scale 1 in. to ft. Drawn by S. Venables. No. 11 Side view. No. 12 Ground plan of an engine without a beam erected at Wombridge, Dec. 5, 1794. No. 13 General section of an engine for winding coal. Scale about ½ in. to ft. July 23, 1793. No. 14 Outside front view of Horsehay forge engine Feb 21, 1793. Scale one third in. to ft. No. 15 Section of Hollins Wood Blast Engine. Scale ¼ in. to the ft. William Minor No. 84 Sept. 12, 1793. No. 16 General section for winding engine, 1 in. to ft. no date. No. 17 Samuel Venables, Sept 1, 1793, No. 6 differs in construction from the former ones, two cylinders. No. 18 William Reynolds’ idea of the application of Sadler’s engine to a rotable motion, the lower cylinder communicating with the boiler; this method is applicable to rowing boats with circular oars, 1795, drawn by Venables. No. 18 Drawing of blast engine of the same period but no date or description. No. 18 Ditto, winding engine. No. 19 One Richard Banks 1796. No. 20 Drawing of old incline engine. No. 21 Elaborate drawing of an engine for winding coals, sun and moon motion, 30 strokes per minute, proper speed. Nos. 22–34 Thirteen other engines. No. 35 Sketch of Hornblowers’ air pump. No. 36 Plan of Jinney for conveying wheeled corves down descents. No. 38 Calculation of Mr. Anstices’ rotative engine by D. Rose March 17, 1799. No. 39 Brick machines April, 1794. No. 40 Sketch of a river Mill by W. R. improved by— No. 41 A new method of boring as used by T. Price at the Brownhill Colliery. No. 42 Original letter by R. Reynolds describing Blakey’s fire engine for raising water for furnaces at Horsehay and Ketley, and one of which had been erected at the Dale, with Sketch. Letter dated Dale 6, 1st month, 1767. No. 43 Prospective view of Donnington Wood incline plane and engine by William Minor Sept. 12 1793 No. 44 Engine with crank, Richard Speed, June 4, 1796. No. 45 Plan for an Aqueduct over a river, Thomas Telford, March, 1794, with span of 100 feet. No. 46 Copy for Fire engine from Emerson’s Engine for raising water. No. 47 J. Wilkinson’s Idea of Chimney Boiler given by him to W. R. November, 1799. No. 48 Drawings of an engine under James Glazebrooks’ patent Feb. 24th, 1799. beautifully drawn and coloured. No. 49 Outside front view of Horsehay large Engine Feb. 21, 1793.