Journal of electricity, power, and gas . ll not chip or detract from the efficiency of GALVANITE Let us tell you why some of the largest pieces of construction work in the countryhave insisted on the use of American Conduit Companys products PACIFIC STATES ELECTRIC CO. SAN FRANCISCO The Modern Electrical Supply House Distributors for the Pacific CoastOAKLAND LOS ANGELES PORTLAND SEATTLE Member The Society for Electrical Development, Inc. DO IT ELECTRICALLY. I Journal of Electricity POWER AND GAS Devoted to the Conversion, Transmission and Distribution of Energy I Volume XXXII SAN FRANCISCO, JU
Journal of electricity, power, and gas . ll not chip or detract from the efficiency of GALVANITE Let us tell you why some of the largest pieces of construction work in the countryhave insisted on the use of American Conduit Companys products PACIFIC STATES ELECTRIC CO. SAN FRANCISCO The Modern Electrical Supply House Distributors for the Pacific CoastOAKLAND LOS ANGELES PORTLAND SEATTLE Member The Society for Electrical Development, Inc. DO IT ELECTRICALLY. I Journal of Electricity POWER AND GAS Devoted to the Conversion, Transmission and Distribution of Energy I Volume XXXII SAN FRANCISCO, JUNE 6, 1914 Number 23 [Copyright 1914 by Technical Publishing Company] PORTLAND FIRE ALARM SYSTEM BY R. P. ROGERS. (A description of an elastic system of wide application and use. for transmitting fire alarms over tele-phone circuits. The fire-fighting appliances and the application of this alarm system to car shops of thePortland Railway, Light & Power Company, installation and operation in general, are also detailed.—TheEditors.). Portion of Center Street (Portland) Car Shops Equipped With Auto Alarm System. The manual telephone fire alarm system of Port-land, Oregon, operates over the Home TelephoneCompanys lines—an automatic telephone system. It is the Denio system and consists of a fire alarmbox connected to the telephone circuit between thetelephone and the central exchange, and may be placedupon the street and in the residence, store, factory,church, theatre or school. Direct automatic connec-tion is made to fire headquarters where the fire noti-fication is registered, thus giving direct communica-tion to the fire department, where the alarm is re-corded on an approved punch register, within a fewseconds. Installations of this system may be so arrangedin hotels, factories or stores, that every guest or em-ploye receives immediate notification of a fire, thus affording ample opportunity both for the saving oflife and property. All troubles—such as grounds, open batte
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