Spherical steam engine - GIF

Spherical steam engine designed by Beauchamp Tower.

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More: https://en.wikipedia.org/wiki/Beauchamp_Tower

Previously:

https://www.homemadetools.net/forum/...0622#post72832
https://www.homemadetools.net/forum/...692#post102204
https://www.homemadetools.net/forum/...335#post116470
https://www.homemadetools.net/forum/...2043#post75628