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.