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 5925-01-305-0934
NSN 6610-01-146-0331
NSN 5910-01-220-5489
NSN 5930-00-259-7621
NSN 5910-00-210-2605
NSN 6150-00-250-9171
NSN 4140-00-726-3551
NSN 5985-01-568-0819
NSN 5975-01-449-7245
NSN 5945-01-423-1009
NSN 6105-00-505-1173
NSN 6240-01-629-9175