Mowat, Harold, 1883- · London : H. Frowde · leaf 21
as water-cooled tubes. Another method which is popular isone in which a pair of tongs is slipped into a hollow 6 X-RAYS : THE PRODUCTION anti-kathode. When these become heated, by thepassage of a current they can be removed, and a coolpair inserted in their place. Tubes of this descriptionare… … Fig. 2. Metal Regulator. H, Reservoir chamber, containing mica or asbestos. T, Tube. K, Kathode. E, INIetal regulator, for lowering the vacuum, but the statement pre-viously made, that when a new tube is ordered thetype of work for which it is required must be stated,should be remembered, so that…
X-rays
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