File:Spring balance (Steam and the Steam Engine, Evers).jpg
Spring_balance_(Steam_and_the_Steam_Engine,_Evers).jpg (123 × 558 pixels, file size: 7 KB, MIME type: image/jpeg)
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Summary
DescriptionSpring balance (Steam and the Steam Engine, Evers).jpg | Salter coil-spring spring balance, used as part of a boiler safety valve. | |||||
Date | c. 1875 | |||||
Source | Scan from Evers, Henry (1875) Steam and the Steam Engine: Land and Marine, Glasgow: Williams Collins | |||||
Author | Andy Dingley (scanner) | |||||
Permission (Reusing this file) |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:38, 23 September 2009 | 123 × 558 (7 KB) | Andy Dingley (talk | contribs) | {{Scans from 'Steam and the Steam Engine - Land and Marine', 1875 |page= |description= }} Category:Safety valves |
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