46 pages matching micrometer patent in this book
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12 inches accurate adjustment American Machinist angle ARMS & TOOL ATHOL MACHINE attachment base bevel protractor blade Boston Brown & Sharpe caliper gauge caliper patented calipers and dividers catalog Center Gauge clamped combination square Darling depth gauge designed dial diameter drill Fitchburg gage gauge patented GOODELL-PRATT graduated hardened Hartford holder hole illustration improved inches long inside micrometer introduced Inventor and maker Iron jaws knurled L.S. STARRETT lathe legs length Machinery machinist's tools manufacture marked Mass measuring micrometer caliper micrometer patent nickel plated October offered operation patent patented June planer Price protractor ratchet SAWYER TOOL MFG scales screw pitch screw thread scriber SHARPE MFG shown side sizes slide slot speed indicator spindle spring calipers STANDARD TOOL Starrett patent steel rules steel squares STEVENS ARMS straight edges surface gauge tap wrenches test indicator thickness thousandths try squares vernier calipers vises Wire Gauge wrench