Drawing. Design for hinged boards with pulleys for a driving band, 2 views and section of “Pulley frame No 1” that is shown fixed to one of the boards. Also 2 views and section of “No 2” that appears to have been intended to be fixed elsewhere. Endorsed in ink: “J. Watt / Apl. 5th 1810, 22 ¾" x 15 ¼", Coarse laid paper, no watermark. Drawing. Design for hinged boards with pulleys for a driving band 1810
The London and North Western Railway Four-Cylinder Compound Express Locomotive No 1909, Jubilee 1899/05
Replica of Lightning Conductor by Benjamin Franklin, United States, 1730-1760 1730-1760 (original); 1931-1939 (replica)