DoD 4245.8-H Value Engineering

Round shank changed to hex shank so wrench could be used to increase torque. 7 Osborn, Alex, Applied Imagination, Charles Scribners and Sons, New York, New York, 1963. 8 Gordon William J. J., Synectics, Harper & Brothers, New York, New York, 1961. Wooden handle replaced by molded plastic handle to cut down breakage and danger from electric shock. ................
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