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 130
Accessories 111 whereby the burnt-out fuse may be readily replaced by afresh one without the help of tools. Every installation should also be provided with anampere-meter (Fig. 53), an instrument measuring theamount of current flowing in the circuit, by the de-flection of a pointer on • a scale.It…
Radiography · X-rays
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