Addyman, Frank Thornton · London : Scott, Greenwood & co. · leaf 168
ilitary purposes, it must be fixed in a case. INSTALLATIONS. 137 All the different carriages which I have come across haveone great objection—their wheels are made too small. Con-stant moving about, especially in and out of lifts, alwayscauses a certain amount of jolting which is less apparent… … Pig. 47.—Portable Coil. of a battery. Hence battery and coil must be carried sepa-rately. Fig. 47 shows a 10-in. coil set in an oak case whichopens at the top and ends and has folding discharge rods. Itsdimensions are 2 ft. 5 ins. x 10 ins. x 12 ins., and it weighsabout 60 lb.1 1 The coil of which…
X-rays
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