Instructions For Use Of The CURTA . [Calculator]. [Serial # 22946]. [Type 1]. [1953].

Condition: Square & tight.  Very good condition.  No writing or marks except the serial number on front cover.  Text/illustrations remain clear and sharp. Minor rubbing on corners and top/bottom of the spine.  

Description: 4" x 5-3/4".  46 printed pages.  Original. Softcover . Illustrated.

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