Volume 1

The Roentgen rays in medicine and surgery as an aid in diagnosis and as a therapeutic agent designed for the use of practitioners and students / by Francis H. Williams.

  • Williams, Francis H. (Francis Henry), 1852-1936.
Date:
1901
Catalogue details

Licence: Public Domain Mark

Credit: The Roentgen rays in medicine and surgery as an aid in diagnosis and as a therapeutic agent designed for the use of practitioners and students / by Francis H. Williams. Source: Wellcome Collection.

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    TABLE OF CONTENTS CHAPTER I Nature and Properties of the X-Rays page Origin and nature of the X-rays ’. ......... i Properties common to X-rays and to light ........ i Properties in which the X-rays appear to differ from light ..... i Property of the X-rays of peculiar value ........ 2 Law of absorption ............ 2 Atomic weight ............. 2 Absorptive power of fat, muscles, bones, etc., of the body .... 3 Absorptive power of air and gases ........ 4 Opacity of blood to X-rays compared with that of water .... 6 CHAPTER II X-Ray EquiPxMent Static machines ............. 8 Induction coils ............. 19 Portable apparatus ............ 27 Generator for isolated situations . . . . . . . • • • 31 Vacuum tubes: Proper forms ............ 32 Resistance of tube ........... 42 Methods for changing resistance ......... 44 Tube holder ............ 47 Diaphragm 47 Fluorescent screen ............ 54 Fluoroscope ............. 5^ Photographic plate ............ 56 Bromide paper ............. 57 Precautions to be taken when using X-ray apparatus and making X-ray exami¬ nations ............. 5^ Harmlessness of X-ray examinations if proper precautions are taken ... 58