The Nation's Schools, Količina 28Michael Vincent O'Shea McGraw Hill, 1941 |
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Zadetki 1–3 od 29
Stran 63
... Fire Alarm You need these systems : Program Clock and Bell Telephone Automatic Fire Detecting Laboratory Panels Sound Distribution Write today for literature . The Holtzer - Cabot Electric C. 125 AMORY ST . BOSTON , MASS . Branches in ...
... Fire Alarm You need these systems : Program Clock and Bell Telephone Automatic Fire Detecting Laboratory Panels Sound Distribution Write today for literature . The Holtzer - Cabot Electric C. 125 AMORY ST . BOSTON , MASS . Branches in ...
Stran 79
... FIRE ALARM SYSTEMS FIRE DETECTING SYSTEMS endorsed by leading fire protective organizations and by foremost school authorities throughout the country . With HOLTZER - CABOT equipment you get the BEST - backed by nearly three - quarters ...
... FIRE ALARM SYSTEMS FIRE DETECTING SYSTEMS endorsed by leading fire protective organizations and by foremost school authorities throughout the country . With HOLTZER - CABOT equipment you get the BEST - backed by nearly three - quarters ...
Stran 51
... fire hazard , Arthur A. Knoll , busi- of the city schools of Long Beach , Calif . , also made the following points on safety . ness manager 1. Every school building of four or more classrooms should be equipped with an electric fire ...
... fire hazard , Arthur A. Knoll , busi- of the city schools of Long Beach , Calif . , also made the following points on safety . ness manager 1. Every school building of four or more classrooms should be equipped with an electric fire ...
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