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Image from web page 256 of “Electricity : its medical and surgical applications, such as radiotherapy and phototherapy” (1911)
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Identifier: electricityitsme00pott
Title: Electricity : its healthcare and surgical applications, like radiotherapy and phototherapy
Year: 1911 (1910s)
Authors: Potts, Charles S. (Charles Sower), 1864- Richards, Horace Clark Pancoast, Henry Khunrath, 1875-1939
Subjects: Electrotherapeutics Radiotherapy Phototherapy Electric Stimulation Therapy Radiotherapy Phototherapy
Publisher: Philadelphia New York : Lea & Febiger
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1, vacuum tube held by operator or patient 2, connecting wire 3, ground chain to water pipe. (Snow.) Fig. 221
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1, wires connecting the pole to the Leyden jar 2, ground chain to water pipe three, spark-gap regulatorfor Leyden jars 4. wire connecting solenoid with col 5. solenoid six, wire from solenoid to manage forvacuum tube or to a ball electrode or carbon point 7, vacuum electrode. (Snow.) The discharge when connected with the constructive side is decided!}painful and irritating and is not significantly employed. Vacuum electrodes SEDA TIOX 249 could also be employed for comparable purposes by attaching them to eitherside of the static machine (Fig. 220), or a resonator perhaps employed (Fig. 221). Static sparks (pp. 12-1, 227), by their energy to market absorptionand equalize the circulation, could also be employed to relieve pain, as inneuritis, sprains, and so on. The ivave current (p. 258), the metal electrode becoming placed over theaffected region, could also be employed in related circumstances. High Frequency Currents.—The effluve derived from either the Teslacoil or resonator, or the existing applied by means of vacuum electr
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Image from web page 44 of “The Roentgen rays in medicine and surgery as an aid in diagnosis and as a therapeutic agent : developed for the use of practitioners and students” (1901)
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Identifier: roentgenraysinme1901will
Title: 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
Year: 1901 (1900s)
Authors: Williams, Francis H. (Francis Henry), 1852-1936
Subjects: Radiography X-rays
Publisher: New York, Macmillan
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t is offered with condensers (see Fig. three), the object of which isto regulate the size of the electric discharges, but I have not foundit required to use them. The tubes excited by it are not employed up so speedily as by a coil. The functioning drawings show the style of the machine sufficientlywell, but it may possibly be desirable to direct focus to one or two points. Approach of holding Plates.— As the.revolving plates are heavy, it isnecessary to have them firmly supported. Each and every pair of plates is heldon the shaft in between two iron collars about 30 centimetres in diam-eter, a single collar of every single pair getting turned correct upc- : – haft. On (Y Jy> x-ray equipment 13 when the plates are put on they need to be turned on the shaft till thepoint is discovered where the two sides balance each and every other. If this methodis pursued prior to the plates are secured tightly in location, they will haveno tendency to come to rest at 1 point rather than an additional, and thebest situations for speed and steadiness will be procured.
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Fig. 6. Side view of static machine. Revolving plate 183 centimetres (6 feet) in diameter, station-ary plate 193 centimetres (6 feet 4 inclies) in diameter. The stationary plates are supported at the bottom on pieces of wood,which must rest on glass to insure good insulation. The grain ofthe wood must run at correct angles to the plates and not parallel withthem, due to the fact if the piece of wood need to shrink it would becomenarrower and therefore modify the position of the plates right after they had beenadjusted. The plates are held at the best by signifies of clamps, threadedon a transverse rod, each of which are clearly shown in Fig. 4. H THE ROENTGEN RAYS IN MEDICINE AND SURGERY Speed Controller.—The speed of the plates may possibly be varied from 50to 250 revolutions per minute by implies of the speed controller, whichdetermines the speed of the motor, and therefore a greater or much less amount ofenergy might be obtained. Leakage of Electrical energy. — In the course of damp weather the leakage of theelectricity from the static ma
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Image from page 240 of “Electricity : its medical and surgical applications, including radiotherapy and phototherapy” (1911)
Image by World wide web Archive Book Pictures
Identifier: electricityitsme00pott
Title: Electrical energy : its medical and surgical applications, which includes radiotherapy and phototherapy
Year: 1911 (1910s)
Authors: Potts, Charles S. (Charles Sower), 1864- Richards, Horace Clark Pancoast, Henry Khunrath, 1875-1939
Subjects: Electrotherapeutics Radiotherapy Phototherapy Electric Stimulation Therapy Radiotherapy Phototherapy
Publisher: Philadelphia New York : Lea & Febiger
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About This Book: Catalog Entry
View All Pictures: All Images From Book
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1, shepherds crook two, ground chain to water pipe 3, ball electrode 4, ground chain to gas pipe (Snow.) in diameter the deal with of the electrodes must be long, and created ofebonite the conducting cord ought to consist of a thick strand of fine wire,properly insulated by gutta-percha. These precautions are essential, owing Fig, 187
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Static induced current. Parts of static universal electrode separated. Individual, condenser, andcircuit breaker in same circuit, connecting rod among condensers removed, and discharging rodof machine serving as circuit breaker but the circuit breaker is in the primary circuit, and the personin the secondary. The make and break in the main is achieved with a current in the secondary.(Morton.) a, rotating plate 6, 6, collecting combs c, c, prime conductors d, d, discharging rodse, e, Leyden jars f,.f, conducting cords g, g, sponge or other electrodes. to the great tension of the existing and its consequent disposition to breakdown insulating barriers, which in the case of ordinary currents would STIMULATION 233 suffice to confine them to their correct conductors. To use the current,the discharging rods of the Holtz machine need to be brought into contactand the connecting rod which unites the two Leyden jars removed.The two conducting cords are then attached to the outer coating
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