MONROE CALCULATING MACHINE CO., INC.
Natural trigonometric functions, tables, instructions. Appl. author: Monroe Calculating Machine Co., Inc., employer for hire of Leo Hudson & E. S. Mills.
MONROE CALCULATING MACHINE CO., INC. Natural trigonometric functions, tables, instructions. Appl. author: Monroe Calculating Machine Co., Inc., employer for hire of Leo Hudson & E. S. Mills. © 4Nov41; A158647. Litton Business Systems, Inc. (PWH); 10Feb69; R455515.
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