Meadowcroft, Wm. H. (William Henry), 1853- · New York : The American Technical Book Co · leaf 21
^s. A camerais not necessary, in fact no use could be made ofit in this connection, as the rays cannot be con-densed or refracted. A picture of any object obtained by means ofthe X rays is not a photograph, strictly speak-ing, although it is made upon a sensitized plateand developed and printed in… … 20 The A B C of the X Rays. followed in making photographs. As defined inthe dictionaries, photography is the fixing ofan object or objects by chemical rays of lightupon certain salts sensitive to light, and asordinarily practiced, includesthe use of lenses by which theobjects photographed may…
X-rays
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