DESIGNING INSTRUMENTS TO THE ORDER AND/OR SPECIFICATIONS OF OTHERS-NAMELY, ELECTRONIC AND/OR ELECTRICAL CIRCUITS

SCIENTIFIC INSTRUMENTS-NAMELY, CATHETOMETERS, [CHRONOGRAPHS,] COLLIMATORS, COMPARATORS, COMPENSATORS, CREEPTEST EQUIPMENT, DIAPHRAGMS, DILATOMETERS, [DIVIDING MACHINES, ECHELONS,] ELLIPSOMETERS, FILTERS, [HELIOSTATS], INTERFERENCE APPARATUS, LENSES AND EYEPIECES, LEVELS AND LEVEL TESTERS, LIGHT SOURCES AND ILLUMINATORS, [METER BARS], MICROMETERS, MICROSCOPES, MIRRORS, MONOCHROMATORS, OBJECT HOLDERS, OPTICAL BENCHES, CARRIAGES, SLIDES, AND ACCESSORIES, OPTICAL VIBRATION MEASURING EQUIPMENTS, P...

MEASURING TELESCOPES, MICROMETER SLIDES AND ATTACHMENTS, MICROSCOPE SUPPORTS, SPHEROMETERS, TEST PLANES FOR USE WITH SPHEROMETERS, MICROMETER SCREWS, LEVELS AND LEVEL TESTERS, LABORATORY TELESCOPES, TELESCOPE SUPPORTS, MOUNTED READING TELESCOPES, ELEVATING STANDS, MEASURING SCALES, OPTICAL LEVERS, CATHETOMETERS, STANDARD METERS AND SCALES, SUPPORTS FOR STANDARD METER SCALES, COMPARATORS DIVIDING MACHINES, SPECTROMETERS, SPECTROSCOPES, WAVE-LENGTH SPECTROSCOPES, QUARTZ SPECTROGRAPHS, INTERFERE...