. The elements of physiological physics: an outline of the elementary facts, principles, and methods of physics; and their applications in physiology. Biophysics. 480 PHYSIOLOGICAL PHYSICS. [Chap, xxxvm. substance in M preventing heat passing outwards, while the layer of water in N intercepts heat passing inwards, and ensures the elevation of the tem- perature of the water in L being due to the com- bustion in K. A tube o passes from outside to con- duct oxygenated air to the bottom of the chamber for combustion purposes. The tube eeg permits the es- cape of the gases that are produced by the
. The elements of physiological physics: an outline of the elementary facts, principles, and methods of physics; and their applications in physiology. Biophysics. 480 PHYSIOLOGICAL PHYSICS. [Chap, xxxvm. substance in M preventing heat passing outwards, while the layer of water in N intercepts heat passing inwards, and ensures the elevation of the tem- perature of the water in L being due to the com- bustion in K. A tube o passes from outside to con- duct oxygenated air to the bottom of the chamber for combustion purposes. The tube eeg permits the es- cape of the gases that are produced by the combus- tion. It takes a winding course through the water of L so that all the avail- able heat of the gases is given off to the water before they escape to the outside. The tube b, usually closed by a cock, is for the pur- pose of passing inflammable gases into K if desired. The prolongation a of the chamber is closed by a thick glass plate, and provided outside with a mirror s, set at an angle, to permit an observer to watch the process of combustion. Modifications can be made in such an arrangement as this to suit particular pur- poses. To measure the specific heat of a substance, one may substitute for K a receiver into which the substance, which has been previously heated to a known temperature, is dropped. Or one may sub- stitute a chamber (c in Fig. 197) in which some small animal may be lodged, respirable air reaching it by one tube, and the products of respiration being con- veyed outwards through the water, so that the heat given off by the animal in a given time may be esti- mated. In all cases the temperature of the water in. Fig. 196.—Water Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original M'Gregor-Robertson, J. (Joseph), 1858-1925. Philadelphia, H. C. Lea's son & co.
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