English: Sketch showing a steam engine designed by Boulton & Watt, England, 1784.
Labelling: B steam valves (input),
C steam-cylinder,
E exhaust steam valves,
H Connecting rod link to beam
N cold water pump,
O connecting rod,
P piston,
Q regulator/governor,
R rod of the air-pump,
T steam input flap (controlled by governor (Q).
g link connecting piston (P) and beam via parallel motion g-d-c,
m steam inflow lever worked by the air-pump rod (R).
Date
Source
Scanned from a paper reproduction of the original sketch.
From a book published in 1878 in New York: A History of the Growth of the Steam Engine, by Robert H. Thurston, professor of mechanical engineering in the Stevens Institute of Technology, Hobroken, USA.
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{{Information |Description= Boulton & Watt Steam engine 1784 |Source= Thurston, A History of the Growth of the Steam-Engine, Revised 4th edition, p. 199, Fig. 31. |Date= 1902 |Author= Robert Henry Thurston |Permission= Author died 25.10.1903, which is mor
{{Information |Description= Sketch showing a steam engine designed by the company Boulton & Watt, England, 1784. |Source= Scanned from a paper reproduction of the original sketch. |Date= jan. 2008 |Author=
Lidingo |Permission= Creator of
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