Milling machine scales

Claim 1

A MACHINE COMPRISING: A BASE; A CARRIAGE ADJUSTABLY MOUNTED FOR TRANSVERSE MOVEMENT ON SAID BASE; A WORK TABLE ADJUSTABLY MOUNTED FOR LATERAL MOVEMENT ON SAID CARRIAGE; A TOOL IN OPERATIVE ASSOCIATION WITH SAID TABLE AND ADAPTED TO PERFORM WORK ON MATERIAL SUPPORTED ON SAID TABLE; A FIRST SCALE ADJUSTABLY MOUNTED FOR TRANSVERSE MOVEMENT ON SAID BASE, SAID SCALE EXTENDING PARALLEL TO THE DIRECTION OF MOVEMENT OF SAID CARRIAGE ON SAID BASE; A SECOND SCALE MOUNTED ON SAID WORK TABLE, SAID SCALE EXTENDING PARALLEL TO THE DIRECTION OF MOVEMENT OF SAID WORK TABLE ON SAID CARRIAGE; A POINTER ARM ATTACHED TO AND MOVABLE WITH SAID CARRIAGE; A FIRST POINTER ADJUSTABLY MOUNTED FOR VERTICAL MOVEMENT ON SAID ARM, SAID FIRST POINTER REGISTERING WITH SAID FIRST SCALE TO INDICATE RELATIVE MOVEMENT BETWEEN SAID CARRIAGE AND SAID BASE; A BRACKET ADJUSTABLY MOUNTED FOR VERTICAL MOVEMENT ON SAID ARM; AND A SECOND POINTER ADJUSTABLY MOUNTED FOR LATERAL MOVEMENT ON SAID BRACKET, SAID SECOND POINTER REGISTERING WITH SAID SECOND SCALE TO INDICATE RELATIVE MOVEMENT BETWEEN SAID WORK TABLE AND SAID CARRIAGE.