Minitech has secured a supply of quality castings to make the Rider-Ericsson Hot Air Pumping engine. This engine was patented in the late 1880’s and the kit makes a magnificent sale working model

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Needle File Set - 12 individual files of all different shapes - Normally $31.90 while stocks last - Only $19.80

…”We now have the model kits for the Atkinson Differential engine, the Atkinson cycle engine and the Bremen caloric engine”