1875

Henry Stevens: The Karl Schappeller device

from: http://www.missilegate.com/rfz/schappellerchapter4b.htm 

The Karl Schappeller Device

Was the Schappeller device an engine used in German field propulsion saucers? This is a possibility. Because so littlehas been reported about this device in the English language, the following is a report describing Karl Schappeller and his device in some detail.

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