Blk. On wht scale; 120-0-120 rpm; 144x144mm
A tachometer using solid state and/or vacuum tube circuitry.
NSN 5990-01-455-8035
NSN 5990-00-853-1123
NSN 6645-01-087-7345
NSN 5945-00-137-4379
NSN 6620-00-345-3456
NSN 5925-01-230-8258
NSN 5855-01-462-0495
NSN 5920-01-346-4525
NSN 6130-00-079-1269
NSN 5975-01-098-1640
NSN 4140-01-185-6214
NSN 6645-00-189-7075