EX CELL O Machine Tools, Inc. 1921 Article Ex Cell O
Jun 17, 20160183;32;Image Description Such operations as the grinding of valve reseating tools, valve cages, commutators, and gears, the sharpening of milling cutters, the drilling and regrooving of pistons, the milling of keyways, and other small machine operations can be readily accomplished by the use of a new bench grinding, drilling and turning machine, which has been brought out by the Ex Cell 0 Tool amp; Mfg
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