Image: Watt steam pumping engine

Original image(2,367 × 2,250 pixels, file size: 591 KB, MIME type: image/jpeg)

Description: A schematic of Watt's steam engine printed in a 1878 book.
Title: Watt steam pumping engine
Credit: Thurston Robert H: History of the Growth of the Steam engine, D. Appleton & Co 1878
Author: Robert H. Thurston
Usage Terms: Public domain
License: Public domain
Attribution Required?: No

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