Latent heat of fusion of ice . s the top of the jacket inside of a closely fittingcopper sheath (Q), from which they are insulated by thin sheath is in close contact with the top of the jacket and iscovered with a felt pad, so that the leads will be very nearly atthe same temperature as the jacket. Terminals to the heating coil in the jacket, and the upper partof the thermostat used when necessary to maintain a constanttemperature in the jacket, are also shown, marked (H) and (T). Fig. 2 shows the jacket with its cover turned aside to admitthe calorimeter, illustrating how the cover i
Latent heat of fusion of ice . s the top of the jacket inside of a closely fittingcopper sheath (Q), from which they are insulated by thin sheath is in close contact with the top of the jacket and iscovered with a felt pad, so that the leads will be very nearly atthe same temperature as the jacket. Terminals to the heating coil in the jacket, and the upper partof the thermostat used when necessary to maintain a constanttemperature in the jacket, are also shown, marked (H) and (T). Fig. 2 shows the jacket with its cover turned aside to admitthe calorimeter, illustrating how the cover is conveniently openedand closed without interfering with the stirring in the calorimeter proper (C), with its cover and detachable handle(L), and the heating coil (M) are shown at the right. The figurealso includes a displacement buoy (D) and a combustion bomb(B) not used in these experiments. A heating coil (H) for thejacket and the thermostat (T) appear at the left. 240 Bulletin of the Bureau of Standards [Vol. 10. Fig. 3.—Section through calorimeter Dickinson, Harper,Osborne Latent Heat of Fusion of Ice 241 Fig. 3 shows the details of construction, representing a sectionthrough the three stirring shafts. The direction of circulation ofthe water is indicated by arrows. The main jacket stirrer drawswater from the bottom of the jacket, sending part of it throughthe cover, which is at a higher level than that of the water inthe jacket, and allowing the remainder to overflow into the upperpart of the jacket. The method of connecting the calorimeter
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