Drawing / engineering / engine / seating

One of seven original drawings of the engine and seating supplied by Messrs Boulton and Watt to Messrs Bott, Birch, Bower and Randall - a side elevation of the cylinder end of the working beam and the parallel motion, probably June 1795

Drawing / engineering / engine / seating

One of seven original drawings of the engine and seating supplied by Messrs Boulton and Watt to Messrs Bott, Birch, Bower and Randall - a detail of the top of the connecting rod and its connection to the working beam, February 1796