. Light energy, its physics, physiological action and therapeutic applications . Society of London, 1904, Vol. p. 472 ff. 4Deutsche Med. Wochenschrift, 1901, Nos. 5 and 6. Quoted byFreund. 624 LIGHT ENERGY. The Strebel Spark Lamp.—The Strebel instrument forproducing ultra-violet light, from an induction coil,, consistsof a short ebony tube, 6 cm. broad, which is closed on oneside by a quartz lens, on the other by a concave mirror ofmagnalium metal. The conducting wires pass through the walls of this ap-paratus and terminate in one or more pairs of aluminumelectrodes which stand opposite t
. Light energy, its physics, physiological action and therapeutic applications . Society of London, 1904, Vol. p. 472 ff. 4Deutsche Med. Wochenschrift, 1901, Nos. 5 and 6. Quoted byFreund. 624 LIGHT ENERGY. The Strebel Spark Lamp.—The Strebel instrument forproducing ultra-violet light, from an induction coil,, consistsof a short ebony tube, 6 cm. broad, which is closed on oneside by a quartz lens, on the other by a concave mirror ofmagnalium metal. The conducting wires pass through the walls of this ap-paratus and terminate in one or more pairs of aluminumelectrodes which stand opposite to each other, a short dis-tance apart, in front of the concave mirror. Air is forcedinto the capsule by means of a small bellows, which servesto keep the electrodes from becoming heated, and also todrive out the ozone and metallic vapor formed by the spark. St. Bartholemews Induction Coil Arc Lamp.—The Gorlinstrument is manufactured in London under the name of theSt. Bartholemews Induction Coil Arc Lamp. It is alsomanufactured in this country, as shown in Fig. 35, and was. Fig- 35.—The Gorl Lamp,described by the author in an article bearing date February7, The five aluminum (iron has been used in the sameapparatus as well) rods, capped with balls arranged in theform of a figure S, are set in a hard rubber base continuouswith a cylinder of hard rubber fa). This is in turn filledwith a plate or disc of quartz (b), for the purpose of con- 1Cleaves: Portable and Easily Adjustable Mechanisms for Ultra-violet Light, N. Y. Medical Record, March 27, 1903. ULTRA-VIOLET LIGHT ENERGY. 625 centrating the light, and which also serves as a compressorto render the part to be treated amemic. It may be used with or without the Leyden jars in cir-cuit. The author uses it as a rule without, connecting itdirectly to the discharging rods of the static machine or theterminals of a high tension coil, an X ray coil, for example.
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