GG
SCIENTIFIC INSTRUMENTS-NAMELY, CATHETOMETERS, [ CHRONOGRAPHS ], COLLIMATORS, COMPARATORS, COMPENSATORS, CREEP TEST EQUIPMENT, DIAPHRAGMS, DILATOMETERS, [ DIVIDING MACHINES, ECHELONS ], ELLIPSOMETERS, FILTERS, [ HELIOSTATS ], INTERFERENCE APPARATUS, INTERFEROMETERS, LABORATORY SUPPORTS, LENSES AND EYEPIECES, LEVELS AND LEVEL TESTERS, LIGHT SOURCES AND ILLUMINATORS, [ METER BARS ], MICROMETERS, MICROSCOPES, MIRRORS, MONOCHROMATORS, OBJECT HOLDERS, OPTICAL BENCHES, CARRIAGES, SLIDES, AND ACCESSO...
Cancelled · March 29, 1965 · 72215205 ·