. The elements of physiological physics: an outline of the elementary facts, principles, and methods of physics; and their applications in physiology. Biophysics. PHYSIOLOGICAL PHYSICS. [Chap. hermetically-sealed cover, through which communica tioh is made by binding screws v v'. Little rubber pads keep the plates of zinc and silver from contact, the silver being also surrounded by a tube of muslin, while a band JK fixes them. The liquid is a solution of chloride of sodium. By the action of the cell zinc chloride is formed, and silver is reduced and deposited, in a Fig. 13.—Gaifl'e's Elem
. The elements of physiological physics: an outline of the elementary facts, principles, and methods of physics; and their applications in physiology. Biophysics. PHYSIOLOGICAL PHYSICS. [Chap. hermetically-sealed cover, through which communica tioh is made by binding screws v v'. Little rubber pads keep the plates of zinc and silver from contact, the silver being also surrounded by a tube of muslin, while a band JK fixes them. The liquid is a solution of chloride of sodium. By the action of the cell zinc chloride is formed, and silver is reduced and deposited, in a Fig. 13.—Gaifl'e's Element, pulverised state, in the muslin bag. The element is made in a portable form, the liquid not being able to escape. For recharging, new plates of zinc and silver are neces- sary. [For elements for medical purposes, see page 150.] Silver is + pole. Suppose the electromotive force of a Darnell's element to be represented by 1, then that of Grove and Bunsen would be nearly 1-8, while that of Smee would be less than *4. Battery.—Several cells may be united together, as shown in Fig. 14, to form a battery. Here the zinc of one element is connected with the copper of another. There is thus left at one end of the series an unoccupied copper, and at the other end an unoccupied zinc. These are the terminals, or poles, of the battery, copper being + and zinc -, and wires are attached to these for conducting the electricity to the desired place. At page 28 the different methods of connecting cells to form a battery are 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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