Flat Ropes, Bow and Hook, Weighing Engine and Iron Block Chairs

Scope and Content

Patents and descriptions of Flat Ropes, by John Curr, 5 June 1804

Improved Colliery Bow and Hook, n.d. [c. 1830]

Weighing Engine, by Hutchinson's, Sheffield, 1831

Iron Block Chairs, by Read, 10 October 1845