Archivo: SteamEngine Boulton&Watt 1784

Description: 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).
Title: SteamEngine Boulton&Watt 1784
Credit: 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. Thurston, Robert Henry (1878) "James Watt and His Inventions" in A History of the Growth of the Steam Engine, New York, United States: D. Appleton and Company, pp. p. 119 Retrieved on 16 September 2010.
Author: Robert Henry Thurston (1839–1903)
Permission: This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1923. Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country. PD-1923 Public domain in the United States //commons.wikimedia.org/wiki/File:SteamEngine_Boulton%26Watt_1784.png
Usage Terms: Public domain
License: Public domain
Attribution Required?: No