File:Henry Greenly Northern-Hudson throttle and safety valves.jpg: Revision history

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14 December 2018

  • curprev 13:0913:09, 14 December 2018‎ Dnevil talk contribs‎ 139 bytes +139‎ Drawing for throttle and safety valves 1.6 inch scale Northern/Hudson locomotive by Henry Greenly. Entered the public domain January 2018.
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