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Re: part from german bomber
Makes "engineering sense" that oxygen fittings are brass (or copper), not steel. Brass will not readily corrode (avoids contaminating the O system), provides a germicidal function at the surface (avoids tainting the O), and, most importantly, will not spark given harsh metal on metal contact (e.g., when a connection nut is turned) - add a spark (heat) to concentrated O near a flammable material (fuel) and look out (flash combustion - fire)!
Sorry, I'm an aeronautical engineer by trade.
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Collecting data plates (typenschild) and control stick grips (knüppelgriff) from Luftwaffe aircraft.
Last edited by stephen f. polyak; 4th March 2011 at 01:23.
Reason: spelling
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