Rockwell Hardness Testers by the original US Wilson Company (then Acco Industries). Detailed Explanatory Booklet.
Rockwell Hardness Testers by the original US Wilson Company (then Acco Industries). Not a manual but a detailed explanatory Booklet from the 1980s describing how to determine which type of tester to choose for different jobs and materials with copious notes on the different types and methods to be used. Includes details of the WDS Series, DT-PL Series, JR Series, JS Series, TT and TY Series, Y Series, OUR and OUS Series, Goosenext Adapters, Goosneck Anvils, Test Blocks, Work Supports, Vari-Rest, Jack-Rest, Gear Testing Fixture, Equitron Fixture, GN Tester and other accessories. 20 pages