Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 76
bstance, there is placed on a supportin it a balloon, tared, full of dry air, and similar to thoseemployed for determining the density of vapors according Jan., 1892.] Mechanical Equivalent of Heat. 65 to the process of Dumas; the method employed for dryingthe balloon is the one used by Regnault:… … num wire/, one of whix^e ends is fastened to the side of theboiler at a ; the other end b is secured to another platinumwire / which passes through the side of the boiler in aglass tube /, and is thus isolated from the boiler. At theside of the balloon there is placed in the interior of theboiler a…
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