Practical radiography : a handbook for physicians, surgeons, and other users of X-rays (1901)
Isenthal, A. W, Ward, H. Snowden (Henry Snowden), 1865-1911 · London : Published for The Photogram, Ltd. by Dawbarn and Ward, Ltd. · leaf 43
ns is cooled, or—generally speaking—whenever, and as long as, there exists a difference of tem-perature between the two junctions. The direction of theresulting current is always from the warmer to the colderjunction, and the strength of the current increases with thedifference in temperature. The… … Hand showing Arteries Injected with Mercury.(By the Medical Supply Association, 12 Teviot Place, Edinburgh.) Sources of Electric Energy 33 0000057 volts for each Centigrade degree difference oftemperature. In order, therefore, to produce any usefulE.M.F. within workable limits of temperature, we…
Radiography · X-rays
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