Calorimetric resistance thermometers and the transition temperature of sodium sulphate (1907)
Dickinson, H.C., Mueller, E.F. · National Bureau of Standards · leaf 8
eresistance coil in small compass, so that it could be used to deter-mine the temperature, at a definite point, of a liquid flowing in atube. As it is important to have a large external surface, the useof a flat coil and thin flat sheath suggested itself. To get a moder-ately high resistance, the… … Fig. 1.—Apparatus used in Fundamental Interval Determiymtions. MueJir^~\ Calorimetric Resistance Thermometers. 643 2. DESCRIPTION OF THE THERMOMETERS. The accompanying cut (Fig. 2) shows the construction finallyadopted. The four leads (Z) are of thin copper strip about 4 mmwide and o. 12 mm thick.…
Thermometry, pyrometry and calorimetry · Heat flow, thermal and thermodynamic processes
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