Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 409
Recording Thermometer. This type recording thermometer is especially suitablefor use in cold storage rooms or for outdoor atmospherictemperatures, as, for Instance, in orange groves. .Similai-moisture-proof cases are furnished on other Bristol Re-corders when needed. BUILDING AND ENGINEERING NEWS… … constant point by means of a Bristol Thermometer-Ther-mostat and Electric Gas Valve. The Recording Ther-mometer, which is sliown mounted with these, provides acontinuous record oif the oven temperature and, therefore,a check on the operation of the controlling devices.
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