The Journal of Electricity, Power and Gas, Volume XX, No. 18, May 2, 1908 / Devoted to the Conversion, Transmission and Distribution of Energy

by Various

MISCELLANEOUS.

Mercury Arc Rectifiers for converting alternating to direct currents; outfits supplied for A. C. circuits of 110-220 and 330 volts with D. C. current capacities up to and including 50 Amps. (For Telephone Battery Service this apparatus may include G. E. Type A Transformer of unit ratio, to be inserted as insulation between A. C. circuit grounded neutral and ground return of the telephone system.) Compensating reactance case must be mounted on base of slate or over non-combustible insulating material when installed on floor or wall of combustible material. Approved April 13, 1908. Manufactured by

General Electric Co., Schenectady, N. Y.

M. S. Cord Grip. A fibre disc for use in socket and attachment plug caps, rosettes and similar devices, replacing knot in flexible pendant cord. Approved April 13, 1908. Manufactured by

Marshall Electric Mfg. Co., 301 Congress St., Boston, Mass.