Blk. On wht scale; 120-0-120 rpm; 144x144mm
A tachometer using solid state and/or vacuum tube circuitry.
NSN 6220-01-219-9670
NSN 5930-01-085-5563
NSN 5910-01-179-7162
NSN 6220-00-200-7888
NSN 2925-00-156-6615
NSN 5990-00-167-2692
NSN 5915-00-367-2854
NSN 5985-01-217-2593
NSN 5935-01-630-8280
NSN 6150-00-807-5221
NSN 6645-01-214-2561
NSN 5996-01-339-7539