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 6220-01-139-7340
NSN 5855-01-260-7445
NSN 6240-00-841-8269
NSN 5915-00-269-4463
NSN 6220-00-938-1538
NSN 5945-00-059-7521
NSN 6685-00-658-6564
NSN 6110-00-010-4545
NSN 6150-01-121-6543
NSN 5905-01-634-0595
NSN 5945-01-272-4414
NSN 5950-01-534-4840