Maintenance of San Francisco Alarm System

Issue 21 and Volume 74.

Maintenance of San Francisco Alarm System The department of electricity of the city of San Francisco, Cal., is charged with the operation, maintenance and extension of the fire alarm system, and the manufacture of such equipment as is necessary to properly maintain and extend the system. The department of electricity occupies a specially designed brick structure, in which there is a machine shop also specially designed where all new and repair work is done. Each man in the machine shop is provided with an individual work bench, and a machine speed lathe. At each bench there is compressed air and electric current for operating the electric drills and other machines. Instead of placing the benches so that they extend along the wall of the building, they are arranged so that each bench extends at right angles to the wall. This permits the light to come in from the left instead…

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