December 19. 1927 Jecemb,' 19, 1927 1 A T I O N AVIATION 1449 … The distance of a Trans-Pacific hop is daily flown by “Wasp” engines with the Transcontinental Air Mail More than 4,000 miles daily is the routine performance of the ■'Wasp” equipped Boeing mail ships. Over plain and desert, -"VO the high Rockies and Sierra Nevadas, through heat and ci Id, The…
Aviation Week
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