Meadowcroft, Wm. H. (William Henry), 1853- · New York : The American Technical Book Co · leaf 99
might be obtained arapid and continuous succession of electricaldischarges. As a matter of fact, quite a numberof machines have been devised for the purposeof producing this result, since Volta first made 96 The A B C of the X Rays. the Electrophorus in 1775, and while they areall of great interest… … Fjg. 22. The Holtz Influence Machine, in its bestknown and simplest form, consists of two glassplates one of which is held by its edges in afixed position and the other is mounted upon aspindle which is fixed in a standard at the back The A B C of the X Rays. 97 of the machine. Upon the shaft of…
X-rays
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