73319631
Jul 20, 1981
Jan 18, 1983
Engineering Instruments-Namely, Compensating Polar Planimeters, Radial Planimeters, Square Root Planimeters, Mechanical Integrators, Microscopes for Measuring Sugar Crystals, Optical Benches, Electronic Counters, Miniature Shaft Encoders, Digital Filar Eyepieces for Optical Microscopes, Digital Measuring and Positioning Adapters, and Drawing Instruments-Namely, Bow-Beam Compasses, Bow Compasses, Dividers
Electrical and Scientific Apparatus