TECH OPS

OPTICAL BENCHES AND ACCESSORIES THEREFOR-NAMELY, OPTICAL BENCH CARRIERS, POST HOLDERS, MOUNTING PLATES, POSITIONING CLAMPS, LENSHOLDERS, CAMERA BACKS, MIRRORS, TRANSFER BARS, ROTATION MOUNTS, BELLOWS LAMP HOUSES AND ARCLAMPS; TWO-DIMENSIONAL RECORDING ISOPHOTOMETERS, MICRODENSITOMETERS, STEPPING ATTACHMENTS AND ACCESSORIES-NAMELY, AUTOMATIC PROGRAMMERS, SPECIMEN TABLE DRIVES, RECORDING PEN ASSEMBLIES, PEN HOLDERS AND ACTUATORS, PULSE COUNTERS, OPTICAL WEDGE AND APERTURE ADJUSTORS AND RECORDING MATERIALS THEREFOR; PHOTO-OPTICAL SCANNER AND RECORDERS; LASER LIGHT MODULATORS; OPTICAL VIEWERS, PROJECTORS AND RECONSTRUCTORS; PROJECTION PRINTERS; OPTICAL ENLARGERS; HOLOGRAM CAMERAS AND RECONSTRUCTORS; DIFFUSION PRINTERS; PHOTOGRAPHIC SPRAY PROCESSORS; AND ELECTRONIC RADIATION MONITORS