180 dec protractor with a pivoting straight edge, cutout tooth symbols for tracing directly over cephalometric x-ray film
A precision measuring instrument used to determine accurate internal or external measurments. It consists of a caliper, slide with a small auxiliary scale made to slide along the main scale to determine accurate fractional parts of divisions of the main scale.
Classification: Micrometers and calipers
NSN 6620-01-430-4111
NSN 6220-00-913-8486
NSN 5965-01-567-7984
NSN 5945-01-237-5447
NSN 5998-00-161-8285
NSN 5835-01-283-9691
NSN 7035-00-585-2113
NSN 6650-01-183-0711
NSN 6610-01-394-7695
NSN 6650-01-493-9483
NSN 6145-01-397-0854
NSN 5930-00-596-9276