Optical rule; 17 cm long; one surface permanently graduated imm on one edge and graduated in inches on the opposite edge; white opaque plastic material; approx 1/16 inch thick and 15/32 inch wide; beveled on both edges; rounded ends
A graduated measuring instrument with edges and ends smoothly polished to prevent injury to the patient. It is used for nasal and eye measurements.
Classification: Other ophthalmic instruments and appliances and parts and accessories
NSN 5990-01-054-4255
NSN 6320-00-701-0437
NSN 5835-01-242-9806
NSN 5925-01-562-2900
NSN 5915-00-686-9149
NSN 5855-01-281-6689
NSN 5895-01-183-5215
NSN 5920-01-091-1818
NSN 5935-01-154-9190
NSN 5835-01-384-3206
NSN 5975-01-384-4826
NSN 5895-00-139-1403