X-rays simply explained : a handbook on the theory and practice of radiography (1903)
Howgrave-Graham, Robert Pickersgill, 1880- · London : Percival Marshall & Co · leaf 25
u > c £ XX ^ 2> „ electrodes A, K are placed at Fig. 3. — Common type of \. Crookes tube for exhibit- an angle, so that whichevering fluorescence excited by [s kathode sends the stream radiant matter. • ot radiant matter downwardson to the shells or fragments below. Fig. 3 shows a type of… … HISTORICAL AND EXPLANATORY. 23 a claw of glass. Sometimes the glass-supportingstem branches into three or four olaw&j each holdinga separate piece of mineral. Many materials (sometimes the glass of the bull))continue to glow with a pale light after the dischargehas ceased (see phosphorescence…
X-rays · Cathode rays · Fluorescence
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