Dental and oral radiography : a text book for students and practitioners of dentistry (1916)
McCoy, James David · St. Louis : Mosby · leaf 25
enomenon became known as florescence. A few years later (1860) Prof. HittofT, a cele-brated physicist of Minister, conceived the ideaof exhausting the Geissler tube to a higher de-gree of vacuum and found as a result an increasedresistance to the passing of the electrical dis-charge, and that the… … Fig. 2.Michael Faraday. of later experimenters, and that was that the lum-inous discharge in a Geissler tube, could be de-flected by a magnet. NATURE OF X-EAY AND ITS DISCOVERY 23 The important work of these early experimen-ters was followed later (1878) by Sir WilliamCrookes, who succeeded in…
Radiography, Dental · X-rays · Teeth · Mouth
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