https://creativecommons.org/publicdomain/zero/1.0/ https://www.rawpixel.com/image/561137 Portable steam engines design from the book Pawson and Brailsford’s Illustrated Guide to Sheffield and Neighbourhood…

Portable steam engines design from the book Pawson and Brailsford’s Illustrated Guide to Sheffield and Neighbourhood, etc published by Trübner & Cie (1862). Original from the British Library. Digitally enhanced by rawpixel.

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