Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 409
Kccoidiiig Diflerential Pressure Uiuige or Flow Meterfor Air. Bristols Recording Differential Pressure Gauges aredesigned for use in connection with Pitot Tubes, Orifices and Venturl Tubes to record velocity or vohimie of flowof air, gas, liquids and steam. The above recorder is ex-hibited with… … Recording Voltmeter, Aiiiiiieter and tVattiueter. This exhibit shows in an interesting way the use ofBristol Recording Voltmeter, Ammeter and Wattmeterwith a miniature hand-operated electric lighting dynamo. Electric rjronicters. Used with the Bristol Patent Thermo-couples for meas-uring high…
Architecture · Building · Construction industry · Engineering
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![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer04inte-156-53.webp)
