Sunday, August 2, 2015

The Explorers' Club, № CDXLVIII

Operation AXIOM: The World War—The Fokker Scourge, Part I
The synchronization, or interrupter, gear that allowed machine guns to be fired through the arc of an aircraft's propeller without damaging the blades, thus substantially increasing the lethality of early fighter aeroplanes.









Lest we forget.

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