9 TELEPHONIC AND VOICE-AMPLIFIED AND VISUAL SIGNALING WIRE COMMUNICATIONS SYSTEMS, EACH COMPRISING A MASTER OR NURSE CONTTOL STATION, PATIENT BESIDE STATIONS WITH CALL CORDS, CORRIDOR LAMPS, AND EMERGENCY STATIONS AND DUTY STATIONS IN THE NATURE OF WALLMOUNTED CONSOLES, AND ALL SOLD AS A UNIT AND INTENDED PRIMARILY FOR USE IN HOSPITALS AND HEALTH CARE FACILITIES