X-rays simply explained - a handbook on the theory and practice of radiography (1903) (14571356560)

Identifier: xrayssimplyexpla00howg (find matches)

Title: X-rays simply explained : a handbook on the theory and practice of radiography

Year: 1903 (1900s)

Authors: Howgrave-Graham, Robert Pickersgill, 1880-

Subjects: X-rays Cathode rays X-rays Fluorescence X-Rays Fluorescence

Publisher: London : Percival Marshall & Co

Contributing Library: Francis A. Countway Library of Medicine

Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

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as seento inch, and in a short time small cracks appeareduntil the heated glass Anally collapsed, allowing theatmospheric air to rush in and destroy the vacuum. The dotted lines in (a) ami (b)f rig. 5, show re-spectively the path of the rays when undisturbed,and when deflected by the magnet. This action of the molecular stream is comparableto that of rifle bullets, which often develop so muchheat at the moment of impact on an iron target thatthey melt and splash in all directions. The heating effect of the focussed kathode streamis of great importance in X-ray work, and gives riseto practical troubles which are dealt with fully inthe chapter on X-ray tubes. HISTORICAL AND EXPLANATORY. 29 Kathode Bay Shadows and Fatigue, —If an objectbe placed in the path of the kathode Btream the latteris Btopped by it, and a shadow is cast on the walla ofthe tube or on any screen of fluoresced materia)placed therein. If the object be at some distancefrom the kathode and fairly near the tuhe wall or

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Fluoreszenz Röntgenstrahlen einfach erklärt ein Handbuch über Theorie und Praxis der Radiographie 1903 Buchillustrationen Medizin medizinische Illustrationen Krankengeschichte Röntgen Bilder aus dem Internetarchiv

1903

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