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Heinrici hot-air engines at work


Hi folks,
it's a little bit late for a Christmas tree but enjoy some moving devices driven by Heinrici hot-air engines. Among them a turntable to rotate Christmas trees. Most crazy hot-air powered device, however was the patented idea of a HL-type with mounted gramophone and a starter to fire small rockets.
All is documented in the volumes "comp-05" and "comp-07". For details just send an email.
Gerd 000A0 lab.jpg

000A0 tisch.jpg