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Tertium Quid M89


Full Description

Designer: Stan Bray

A small inverted vertical double acting steam engine designed built with only a small lathe and drilling machine, in the main from stock materials. A casting is available for the flywheel, but even this can be fabricated If desired. The engine is dimensioned so that It can be built In Imperial or metric versions, although the author is at pains to stress that standards must not be mixed. (ME. Vol 1743-174)


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