Abstract :
Clip-On Ammeter. Bulletin, 4 pp. Describes the new Ferranti clip-on ammeter with a wide range of full scales and variety of frames, and with openings to take busbars up to 4V2 by 3V2 inches. Twentythree of the more important features of the clip-on ammeter are emphasized. Ferranti Incorporated, 130 West 42nd St., New York.
