Special Features
Mirror on face below scale 0.125 in. Wide and 4.50 marked above 45th division and 6.60 marked above 66th division of scale; reference data, 1ms, ti-6850.28, fa 9458, pg 8-4; 1a2a2m2, ti-6850.46a, fa-9899, pg 8-11; 1a3m1, ti-6850.63, fa-10042, pg 8-7