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Author Topic: Question - Pm Research Solar Engine #7 (The Glassworks)  (Read 1058 times)

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Re: Question - Pm Research Solar Engine #7 (The Glassworks)
« on: June 05, 2020, 04:12:37 pm »
Jim, Do you think using a file on some pencil graphite to make powder will work?
How to you get the powdered graphite on to the pistons ?
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