Perfect for proofing data or copy. Center section isolates and magnifies one line at a time. Magnified portion ruled one side in 1/16", the other in 1/10". Scales correlate with horizontal and vertical printout columns. Plastic.
- Center section isolates and magnifies one line at a time.
- Magnified portion ruled one side in 1/16", the other in 1/10".
- Scales correlate with horizontal and vertical printout columns.