Meadowcroft, Wm. H. (William Henry), 1853- · New York : The American Technical Book Co · leaf 121
esthe glass at the part opposite the negative elec-trode, and, if the tube is properly made, thecharacteristic fluorescence will at once appear,but strongest and best on the glass opposite thecathode. It is also at this point that the X raysare produced and may be observed with afluoroscope or by… … RADIOGRAPH of Mummified hand on preceding page, made in the Laboratory of the Keystone Dry Plate Works, on a Carbutt X-Ray plate, by John Carbutt. Half-tone : Etched, using Carbutt Process plates.
X-rays
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