Mechanical Contracting & Plumbing January-December 1909 . essary latitude to the engineer. This system works entirely automati-cally by the outside changes of theweather. Mr. Cluthe is the inventor anddesigner of it, the details being workedout by George F. Clark, heating and ven-tilating engineer, Newark, —Heat-ing and ventilating Magazine. PLUMBER CAUSED FALSE ALARM. That the thermostat is a faithfularticle is proved by a recent experiencein Haverhill, Mass. It seems thatshortly after the employees arrived ata factory one morning it was discov-ered that several pipes were frozen anda plu
Mechanical Contracting & Plumbing January-December 1909 . essary latitude to the engineer. This system works entirely automati-cally by the outside changes of theweather. Mr. Cluthe is the inventor anddesigner of it, the details being workedout by George F. Clark, heating and ven-tilating engineer, Newark, —Heat-ing and ventilating Magazine. PLUMBER CAUSED FALSE ALARM. That the thermostat is a faithfularticle is proved by a recent experiencein Haverhill, Mass. It seems thatshortly after the employees arrived ata factory one morning it was discov-ered that several pipes were frozen anda plumber was summoned. He allowedthe flame of his torch to rest beneaththe pipe and a thermostat provided inthe fire alarm system came in contactwith the blaze. The device answeredthe quick rise in temperature and theproper bells started ringing and theapparatus from the central fire stationtook its long run to the factory, wherethe plumber and his interested onlook-ers were mildly surprised. An investi- ^J E>P-^3a Pedfopated watt TO BC RUN AS DIRECTED. Cold Aon lr* 600 1**-
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