Tabor Mfg Co 1885 Patent Speed Indicator GAGE GAUGE Collectible Tool For Sale

good clean condition
19th CENTURY PATENTED DUAL SCALE RPM SPEED DIAL INDICATOR / TACHOMETER FOR STEAM ENGINES, MILLS AND EARLY LATHES BY THE TABOR MANUFACTURING CO., NEW YORK. Patented 8.8.1885 Fully working Ingenious double dial patented \'clutch\' systemTHE TABOR MANUFACTURING CO. N.Y. PAT. SEPT. 8. 85\". This info refers to patent 325,991 filed by Harris Tabor of New York, originally applied for on July 13th 1885 for the ingenious \'clutch\' system that allows the spindle to resgister against the shaft without it registering on the dial. Pressing the tip engages the clutch. This tachometer features 2 scales, each on an independent dial placed one in front of the other.