A VI ATI' February 1, 1920 AVIATION … Less Work for the Lathe ^y4£J?0MXl/?2NE' 33S ~HYZ>J?0, a number ofwhich the Navy are offering for sale at Lynite Pistons effect lower shop process, the amount of metal that costs just as surely as they permit must be removed in machining a $ 3000— each, make a fast flying, slow piston is reduced by…
Aviation Week
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