Cyclopedia of mechanical engineering; a general reference work. Editor-in-chief Howard Monroe Raymond. Assisted by a corps of mechanical engineers, technical experts, and designers of the highest professional standing (1908)
American School (Chicago, Ill.), Raymond, Howard Monroe · Chicago American Technical Society · leaf 28
Tlie most common tool [or limar measurcnniilx, and one whichhardly requires description, is the so called carpenters or two- … foot rule. This is very convenient for the machinist in makingmeasurements which are not required to he very accurate. For IS MACHINE SHOP WORIL 11 work of greater rufiiiemeiit, the standard steel scale (B^ig. 15) isuseil. Tliis is in realitj a divided or graduated straight edge and,as such, forms…
Mechanical engineering
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