Page:American Seashells (1954).djvu/647

 ^ = 12 lines I inch (English) 1 pouce (French) I pollcx (Latin) I Zoll (German) I Eigne (French) =2.25 mm. I line (English) = 2.11 mm. I linie (German) — 2.18 mm. 3' 4" 6'" means 3 ft., 4 inches, 6 lines I inch = 25.37 "^n^' I fathom = 6 feet I meter = 39-37 inches I nautical mile = 6,080 feet I statute mile = 5,280 feet I degree latitude = 60 nautical miles or about 69 statute miles Temperature conversion (Fahrenheit-Centi- grade) Q = male V = female (j = hermaphrodite F = ^C+32 C = ^(F-jO 1 1 1

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