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.