1780s Blowing Engine for Donnington Wood Forge

Reverse general section of blowing engine for Donnington Wood, Shropshire. As with pumping engines, Boulton & Watt’s orders for blowing engines ...

1780s Double Expansive Engine, Soho Manufactory

Plan and side view of the 'Double Expansive Engine', Soho Manufactory, by James Watt. In 1781, James Watt paid considerable attention to utili...

1780s Double Expansive Engine's Equalizing Beam, Soho Manufactory

Drawing of the equalizing beam for the double expansive engine, Soho Manufactory. In 1781, James Watt paid considerable attention to utilising...

1780s Double-acting Engine

First Drawing of the 'Small Reciprocating Engine' (Double-acting Engine) by James Watt. The idea of using steam to push a piston both up and d...

1780s Double-acting Engine for the Wheal Fortune Copper Mine

Reverse outside front view of engine for Wheal Fortune Copper Mine, Cornwall. Cornwall continued to be a major market for Boulton & Watt durin...

1780s Double-acting Engine for Wheal Fortune Copper Mine

General section of engine for Wheal Fortune Copper Mine, Cornwall, April 1785. Cornwall continued to be a major market for Boulton & Watt duri...

1780s Double-acting Engine to replace Coates & Co.'s Horse Gin and Millwork

Drawing of Coates & Co.’s Horse Gin and Millwork to be replaced by a double-acting engine. Henry Coates and John Jarratt bought this 7 horse po...

1780s Double-acting Engine's Working Gear, Soho Manufactory

Drawing of the working gear of the double-acting engine, Soho Manufactory. The idea of using steam to push a piston both up and down, thus all...

1780s Double-acting Pumping Engine at River Head Works replaced this Atmospheric Engine Designed by John Smeaton in the 1760s

Upright section of atmospheric engine, at New River Head Water Works, London. Until the installation of the Boulton & Watt 32 inch engine in 1...

1780s Double-acting Pumping Engine for River Head Water Works

General view of pumping engine for New River Head Water Works, London, [Portfolio 5/1090] This drawing shows a typical Boulton & Watt pumping e...

1780s Double-acting Sun & Planet Engine for a Tobacco & Snuff Mill

Top part of drawing of elevation and plans of Messrs. Fish & Yates’ Tobacco and Snuff Mill, London. Samuel Fish and John Yates bought an 8 hor...

1780s Double-acting Sun & Planet Engine for a Tobacco and Snuff Mill

Lower part of drawing of elevation and plans of Messrs. Fish & Yates’ Tobacco and Snuff Mill, London. Samuel Fish and John Yates bought an 8 h...