EMR

ELECTRONIC EQUIPMENT-NAMELY, SIGNAL GENERATORS; ANALOG TO DIGITAL AND DIGITAL TO ANALOG CONVERTERS; ELECTRONIC COMPUTERS; MAGNETIC TAPE TRANSPORTS; PAPER TAPE READER AND PUNCH EQUIPMENT; CARD READERS; CARD PUNCHERS; LINE PRINTERS; PLOTTERS; GRAPHIC CATHODE RAY TUBE DISPLAYS; DISK FILES; DRUMS; CONVOLVERS; SEISMIC COMMUNICATIONS SYSTEMS; TRANSFER FUNCTION ANALYZERS; POWER SUPPLIES; AND INTEGRATED PHOTOELECTRIC SENSORS