The Complete Bestfit Shock Absorber Guide Book #108 B. Jadow, Inc. Papercover staplebound guidebook to Bestfit watch materials. Includes sections on types of shock absorbers including incabloc, shock resist, parechoc, antichoc 51 & 102, and many more, as well as sections on up-welling devices and regulating devices, with valuable pairing black-and-white schematic illustrations. 52 pages
B. Jadow, Inc.
1957
B. Jadow, Inc.
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