1770s Atmospheric Pumping Engine at Chelsea Water Works
General Section of atmospheric pumping engine at Chelsea Water Works, London, 1770s.
This engine was replaced by the Boulton & Watt engine in the previous illustration. It was built to the basic ...
1770s Pumping Engine & Pump for the 'Paris Water Works'
Sketch section of pumping engine and pump for the 'Paris Water Works' Chaillot, France.
This sketch clearly shows the arrangement of the engine and the pump descending into the River Seine. This drawing ...
1770s Pumping Engine and Pump for the 'Paris Water Works'
General section of pumping engine and pump for the 'Paris Water Works' Chaillot, France.
This drawing is of a single-acting engine with a 63 inch cylinder and 8 foot stroke, ordered by the Frenchman ...
1770s Pumping Engine for 'Ale & Cakes Mine', Cornwall
Section of pumping engine house and sections of the boiler, for the 'Ale & Cakes Mine' Cornwall.
Ale & Cakes Mine was part of the group of Cornish mines known as United Mines. This single-acting ...
1770s Pumping Engine for Birmingham Canal Co. Smethwick
Plan of pumping engine, Birmingham Canal Co., Smethwick.
A rare drawing of the 'Smethwick Engine' which is now housed in the Thinktank museum. The engine was the second Boulton & Watt that the Birmingham ...
1770s Pumping Engine for Chacewater Mine, Cornwall
General section of pumping engine for Chacewater Mine, Cornwall.
This was the first Boulton & Watt engine erected in Cornwall, although it was actually the second one ordered. It started work in 1777. ...
1770s Pumping Engine for Hawkesbury Colliery, Bedworth
General section of pumping engine for Hawkesbury Colliery, Bedworth, Warwickshire.
When it was set to work in 1777, this single-acting engine with a 58 inch cylinder and 8 foot stroke was the largest ...
1770s Pumping Engine for Les Mines du Nord, Nantes
General Section of pumping engine for Les Mines du Nord, Nantes, France.
This single-acting 44 inch engine with an 8 foot stroke was the first Boulton & Watt engine erected in mainland Europe, less ...
1770s Pumping Engine for Wheal Chance, Cornwall
Beam of pumping engine for Wheal Chance, Cornwall.
This drawing illustrates a massive timber beam for a single-acting engine with a 63 inch cylinder and 9 foot stroke. Several trees were often used ...
1780s 3 Horse Power Engine for the Birmingham Canal Co.
Reverse general section of small engine for the Birmingham Canal Co.
In the late 1780s, Boulton & Watt began to make small engines, of 3 horses power and under. They were encouraged in this by John ...
1780s 3 Horse Power Engine for the Birmingham Canal Co.
Reverse side view of the chain pump powered by the Birmingham Canal Co.’s small engines, April 1789.
In the late 1780s, Boulton & Watt began to make small engines, of 3 horses power and under. They ...
1780s 4 Horse Power 'Sun & Planet' Engine
Plan of 4 horse 'sun & planet' engine for Henry Goodwyn & Co., London.
The engine erected at Henry Goodwyn & Co.’s brewery in East Smithfield, London, was the first Boulton & Watt rotative engine ...
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 for blast furnaces increased in the 1780s, and the 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 utilising the expansive power of steam in his engines. He ...
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 the expansive power of steam in his engines. He may ...
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 down, thus allowing an engine to make a powered stroke ...
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 during the 1780s, and they supplied larger and ever more powerful ...
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 during the 1780s, and they supplied larger and ever more ...