A tool for reading computer printouts Center section isolates and magnifies the data so the likelihood of error is reduced. Scales correlate with horizontal and vertical printout columns. Ruled in 1/16", 1/10" and 1/6" increments and in millimeters....
A tool for reading computer printouts Center section isolates and magnifies the data so the likelihood of error is reduced. Scales correlate with horizontal and vertical printout columns. Ruled in 1/16", 1/10" and 1/6" increments and in millimeters....