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Auction: 312 - Numismatic Collector's Series Sale
Lot: 2617

Pratt & Whitney (CT), Large archive representing all the rest of our stock, $100 shs, 1890s, the vast majority unissued; blue (40, 39 bound together at left), brown (36, 35 bound), green (23, 15 bound), and orange (50, 49 bound), signed by FA Pratt; with blue (13, 10 bound), brown (55, bound), green (88, 20 bound), and orange (16, bound) signed by Pratt and Amos Whitney, with strike through Pratt´s name; orange (16, bound) signed by Whitney alone; and orange unissued and unsigned (83, bound); VF-EF. Pratt & Whitney, originally makers of machine tools, were drafted by their parent company to manufacture airplane engines; finding quick success in 1925, they soon became an industry leader; later the company merged with Boeing. [420]

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