The aviation pocket-book for 1918; a compendium of modern practice and a collection of useful notes, formulae, rules, tables and data relating to aeronautics (1918)
Matthews, Richard Borlase, 1878- · London : C. Lockwood and son · leaf 50
NUMBER ELEVEN THE WORLDS BEST WHITE METAL. OUTLASTS ALL OTHERS. … ABSOLUTELY THE HIGHEST QUALITY WHITE METAL. TWISTED AND HAMMERED COLD, SHOWING TOUGHNESS. COMPRESSION TO CRACK SAMPLES : 20-55 TONS Sq. In. IN LARGEST USE FOR AERO ENGINE BEARINGS. THE STANDARD BRAND, NE PLUS ULTRA/^ (SEE OPPOSITE) THE HOYT METAL CO., LTD., 189. HAMMERSMITH ROAD. LONDON.…
Aeronautics
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