Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 334
Diiriiiid Kadlal Ilaiiiineters. These Planimeters are designed to obtain average ofrecords on all charts with even scale and radial coordi-nates. They are very easy and sinii)le to operate and are ex-ceedingly accurate. Plots for all our charts can be supiilied. which makesthe averaging of charts… … huliciiliiiir KIcolric Pyrometers. (Stationary Type.)For ranges from 0 to 3,000 degrees Fahr. or 0 to 1,600degrees Centigrade.This instrument is supplied in the Stationary type for IHuniaiient iiislalUuiiin. li j;, ;iu iilcal itiblruuicnt torhigh temperatures; can be depended on for accuracy;…
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