Waidner, C.W., Fischer, L.A. · National Bureau of Standards · leaf 20
n the bottom of the tank. The coils are connected to a 110-volt circuit through the rheostat R^ which serves to regulate the cur-rent in the heating coils. If rapid heating is desired, as when raisingthe temperature of the bath up to the first test point, or from one testpoint to another, the two… … FIG. 6. COMPARISON TANK. ns^^] TESTING OF CLINICAL THEEMOMETERS. 285 two coils are placed in series by throwing the switch to the side markedSlow. A Weston wattmeter TF^ serves to measure the electricalenergy required in heating the coils. When the switch is thrown tothe side marked Fast the…
Measurements and use of instruments · Heat flow, thermal and thermodynamic processes
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