GAGE,PLOTTING BOARD DATA for FSG 52
An item of flat and transparent design containing several etched circles, the diameters of which represent allowable tolerances of the gage when placed over specific data (test dots) on a plotting board.
An item of flat and transparent design containing several etched circles, the diameters of which represent allowable tolerances of the gage when placed over specific data (test dots) on a plotting board.