Contract between Boulton & Watt and British Cast Plate Glas Co, 1788.

Contract between Boulton & Watt and British Cast Plate Glas Co, 1788.
3 2 c m
40cm
actual image size: 32cm x 24cm

Description

This signed manuscript, dated 1st September 1788, is an indenture of agreement between Boulton & Watt and the British Cast Plate Glas Company for the supply of a 14 Horse Power steam engine. James Watt (1736-1819) greatly improved the efficiency of steam engines by adding a separate condenser, preventing the los of energy through steam condensing in the cylinder. His partnership with Matthew Boulton (1728-1809) allowed him to develop the idea along with several other improvements. The Watt engine was crucial to the succes of the Industrial Revolution.

Image Details

Image Ref.
 
10280831

© Science Museum / Science & Society Picture Library

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