File:Elementary and dental radiography (1813) (14753981861).jpg

Identifier: elementarydenta00rape (find matches)
Title: Elementary and dental radiography
Year: 1813 (1810s)
Authors: Raper, Howard Riley
Subjects:
Publisher: New York : Consolidated Dental Mfg. Co.
Contributing Library: Dentistry - University of Toronto
Digitizing Sponsor: University of Toronto

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Fig. 02. Table, with a lead glass protection sliield and compression diaphragm. To avoid straining a tube, it should not be again used, after hav-ing been used till hot, until it has cooled thoroughly. Overheating thetube will destroy the gases in it, and so raise the vacuum to such a degreeas to make it impossible to force a sut^cient milliamperage through it toproduce a sufficient number of X-rays. Sending a very strong currentthrough a tube of l(nv vacuum will also destroy the gases of the tul)e andspoil—strain—it. Fig. 58 is a tube rack for holding the tul)e when not in use. It is obvious that there must be some kind of a device for holdingthe tube when in use. This may be either a plain tube stand (Fig. 59),or a tube stand with a lead glass, protection shield and a compression 62 ELEMENTARY RADIOGRAPHY
Text Appearing After Image:
X-RAY TUBES AND THE X-RAYS ^^3 diaphragm (Fig. 60), or a pedestal with a lead glass protection shield,compression diaphragm, and plate holder (Fig. 61), or a table with alead glass, protection shield and compression diaphragm. (Fig. 62.) Dr. Blum, of New York, uses a wall bracket fixture to sui)port alead glass, protection shield and c( m))ression diaphragm. The tube, oneof the water-cooled type, is seen fitting into the lead glass shield.

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