64. Baskerville, Charles. Ultra-violet light in the laboratory and in practice. (Chemical news, London, v. 95, May 31, 1907, p. 255-256.) PKA

65. Bussmann, Oskar. Die Quarzlampe von Dr. Küch. (Elektrotechnische Zeitschrift, Berlin, v. 28, Sept. 19, 1907, p. 932VGA 936.)

Abstract in Electrical world, New York, v. 50, Oct. 19, 1907, p. 769, VGA.

66. Narcosis by blue rays of light. (Illuminating engineer, New York, v. 2, Dec., 1907, p. 751.) VOKA

69. Bees and ultra-violet light. (Illuminating engineer, London, v. 1, Aug., 1908, p. 689.) VOKA

70. Birch, and HIRSCHFELD. Further remarks on the injury to the eye caused by ultra-violet light. (Illuminating engineer, London, v. 1, Sept., 1908, p. 771.) VOKA 71. Blondel, A. Einfluss der ultravioletten Strahlen der kunstlichen Lichtquellen auf die Ermüdung des Auges. (Elektrotechnische Zeitschrift, Berlin, v. 29, Sept. 24, 1908, p. 947-948.) VGA

Abstract in Electrical world, New York, v. 52, Oct. 17, 1908, p. 858, VGA.

72. Bussmann, Oskar. New facts about the quartz lamp. (Electrical review and western electrician, Chicago, v. 53, Oct. 17, 1908, p. 588-589.)

Die Schädigung des Auges durch Einwirkung des ultravioletten Lichtes. (Elektrotechnische Zeitschrift, Berlin, v. 29, Aug. 13, 1908, p. 777-779.) VGA

Abstract in Electrical world, New York, v. 52, Sept. 5, 1908, p. 529, VGA.

83.

Some effects of light, light, visible and in(Illuminating engineer, London,

visible.

v. 1, Sept., 1908, p. 753-756.)

VOKA

84. Stockhausen, Karl. The illumination of work-places and work-rooms. (Illuminating engineer, London, v. 1, Jan., 1908, p. 71.)

VOKA

VGA

1909

87. Aubel, Edm. van. Sur la production d'ozone sous l'influence de la lumière ultraviolette. (Comptes rendus, Paris, v. 149, Nov. 29, 1909, p. 983-985.)

1909, continued.

89. Billon-Daguerre. Mode de sterilisation intégrale des liquides par les radiations de très courte longueur d'onde. (Comptes rendus, Paris, v. 149, Nov. 8, 1909, p. 810-812.) * EO

western

90. Brunton, David W. Mining and metallurgy in United States. (American Institute of Mining Engineers, Transactions, New York, v. 40, 1909, p. 554.) VHA

91. Bussmann, Oskar. Die neue Form der Quarzlampe von Dr. Küch. (Elektrotechnische Zeitschrift, Berlin, v. 30, April 29, 1909, p. 395-396.) VGA

Abstracted in Electrical review and western electrician, Chicago, v. 54, June 5, 1909, p. 1053, VGA.

92. Courmont, Jules, and TH. NOGIER. Sur la faible pénétration des rayons ultraviolets à travers les liquides contenant des substances colloides. (Comptes rendus, Paris, v. 149, Aug. 2, 1909, p. 364-365.) * ΕΟ

93. Courmont, Jules, and others. Effets au point de vue chimique de l'immersion dans l'eau de la lampe en quartz à vapeur de mercure. (Comptes rendus, Paris, v. 149, July 12, 1909, p. 160-161.) * EO

94. Dornic, and DAIRE. Contribution à l'étude de la stérilisation par les rayons ultra-violets. (Comptes rendus, Paris, v. 149, Aug. 2, 1909, p. 354-356.) * EO

95. Eyesight of wireless-telegraph operators. (Illuminating engineer, London, v. 2, May, 1909, p. 291-292.) VOKA

96. Germicide properties of ultra-violet rays. (Electrical review and western electrician, Chicago, v. 55, Nov. 27, 1909, p. 1025.) VGA

97. Henri, Victor, and JOSEPH SCHNITZLER. Action des rayons ultra-violets sur la fermentation acétique du vin. (Comptes rendus, Paris, v. 149, July 26, 1909, p. 312-314.) * EO

98. Henri, Victor, and others. Sterilization of liquids by ultra-violet rays. (English patent, 1909, no. 28,067.) Patent Room

99. Kernbaum, Miroslaw. Décomposition de l'eau par les rayons ultra-violets. (Comptes rendus, Paris, v. 149, July 26, 1909, p. 273-275.) * EO

Zersetzung des Wassers durch ultra-violette Strahlen. (Wasser und Abwasser, Leipzig, v. 2, Nov. 20, 1909, p. 482.) VDL

111. Bierry, Henri, and others. Action des rayons ultraviolets sur certains hydrates de carbone. (Comptes rendus, Paris, v. 151, July 25, 1910, p. 316-318.) * EO

112. Cernovodeanu, Mlle. P., and VICTOR HENRI. Comparaison des actions photochimiques et abiotiques des rayons ultraviolets. (Comptes rendus, Paris, v. 150, Feb. 28, 1910, p. 549-551.) * EO

113. Étude de l'action des rayons ultra-violets sur les microbes. (Comptes rendus, Paris, v. 150, Jan. 3, 1910, p. 5254.) * EO

114. Chemical effects of ultra-violet rays. (Electrical review and western electrician, Chicago, v. 57, July 23, 1910, p. 173.) VGA

115. Courmont, Jules, and THOMAS NOGIER. Trinkwassersterilisation durch ultraviolette Strahlen. (Wasser und Abwasser, Leipzig, v. 2, May 7, 1910, p. 481-482.) VDL

Short account of "Silica" and "Quartzlite" lamps.

120. Gariel. Glare worse than ultra-violet rays. (Electrical review and western electrician, Chicago, v. 57, Oct. 22, 1910, p. 827.) VGA

Effect of ultra-violet rays on the eyes.

121. Garnier, A. R. Les applications de la lampe à vapeur de mercure. (L'électricien, Paris, v. 39, Feb. 26, 1910, p. 133-135.) VGA

Discusses its application to lighting and the production of high-frequency currents.

122. Grant, Kenneth C. Sterilization of polluted water by ultra-violet rays. (En

gineering news, New York, v. 64, Sept. 15,

1910, p. 275.)

VDA

133. Henri-Cernovodeanu, Mme. V. Action des rayons ultraviolets sur les bacilles tuberculeux et sur la tuberculine. (Comptes rendus, Paris, v. 151, Oct. 24, 1910, p. 724-726.) * EO

134. Leblanc, Maurice, the younger. La lampe en quartz, à vapeur de mercure. (Lumière électrique, Paris, série 2, tome 12, Nov. 5, 1910, p. 163-169.) ++ VGA Historical characteristics of the new lamp.

135. Mercury-vapor quartz lamps. (Electrical review and western electrician, Chicago, v. 57, Dec. 17, 1910, p. 1248-1250.) VGA

Describes luminous efficiency of the quartz lamp. 136. Lehmann, H. Uber ein Filter für ultraviolette Strahlen und seine Anwendung. (Chemiker-Zeitung, Cöthen, v. 34, Sept. 29, 1910, p. 1032.)

137.

VOA

(Physikalische Zeitschrift, Leipzig, v. 11, Nov. 15, 1910, p. 1039-1047.)

PAA

138. Lombard, Maurice. Sur les effets chimiques et bio biologiques des rayons ultraviolets. (Comptes rendus, Paris, v. 150, Jan. 24, 1910, p. 227-229.) * EO

139. Maurain, and W ARCOLLIER. Action des rayons ultraviolets sur le vin en fermentation. (Comptes rendus, Paris, v. 150, Feb. 7, 1910, p. 343-344.) * EO

140. Miller, Warren H. Quartz tube mercury-vapor lamps. (Electrical world, New York, v. 55, March 17, 1910, p. 691692.) VGA

141. Nogier, Thomas. Appareil de stérilisation urbaine des eaux potables par les rayons ultra-violets. (French patent, 1910, Patent Room no. 426,606.)

142. Otto, M. P. Appareil pour la stérilisation des eaux par les rayons ultra-violets. (French patent, 1910, no. 421,296.) Patent Room

143. Pougnet, Jean. Action des rayons ultraviolets sur les plantes à coumarine et quelques plantes dont l'odeur provient de glucosides dédoublés. (Comptes rendus, Paris, v. 151, Sept. 19, 1910, p. 566-569.)

1910, continued.

146. Recklinghausen, Max. Sterilization of water by by means of quartz lamps. (Electrical review, London, v. 67, Sept. 2, 1910, p. 378-379.) VGA

147. Sensitiveness of different eyes to ultra-violet light. (Illuminating engineer, London, v. 3, Sept., 1910, p. 559-560.)

VOKA

148. Steinmetz, C. P. The physiological effect of radiation. (Illuminating engineer, London, v. 3, Feb., 1910, p. 93-96.) VOKA

von

149. Sterilisation Trinkwasser mit ultravioletten Strahlen. (Wasser und Abwasser, Leipzig, v. 3, Oct. 22, 1910, p. 239.) VDL

150. Sterilization by ultra-violet light. (Electrical review and western electrician, Chicago, v. 56, March 12, 1910, p. 535-536.) VGA

Describes various methods as tested, giving time of exposure of liquids with various currents. 151. Sterilization by ultra-violet (Electrical review and western electrician, Chicago, v. 57, Nov. 12, 1910, p. 1001.)

rays.

VGA

A review of investigations at the physiological laboratory of the Sorbonne of the bactericidal effects of these rays.

154. Urbain, E., and A. FEIGE. Stérilisation des grandes masses d'eau par l'ultraviolet. (Comptes rendus, Paris, v. 151, Oct. 31, 1910, p. 770-772.) * EO

155. Urbain, E., and CL. SCAL. Sur la stérilisation de l'eau par l'ultraviolet. (Comptes rendus, Paris, v. 150, Feb. 28, 1910, p. 548-549.) * EO

156. Urbain, E., and others. Employment of metals in the electric arc for the sterilization of liquids. (English patent, 1910, no. 4795.) Patent Room

Describes the use of a metal in the arc for the purpose of extending the spectrum farther into the violet than that of mercury.

157. Vandevelde, A. J. J. Über das Sterilisieren von Mehl und die Brotgarung. (Chemiker-Zeitung, Cöthen, v. 34, Oct. 6, 1910, p. 1061.) VOA

158. Wartenberg, H. Über die Ultraviolettabsorption des Sauerstoffes. (Physikalische Zeitschrift, Leipzig, v. 11, Dec. 1, 1910, p. 1168-1172.)

PAA

159. Zimmerman, J. D. Quartz tube mercury-arc lamp. (Electrical review and western electrician, Chicago, v. 57, Sept. 10, 1910, p. 523-525.) VGA

Detailed description of the lamp, giving its performance curve and candlepower distribution curve.

1911

160. Agulhon, H. Action des rayons ultra-violets sur les diastases. (Comptes rendus, Paris, v. 152, Feb. 13, 1911, p. 398401.) * EO

161. Banque du Radium. Apparatus for sterilizing liquids by means of ultra-violet rays. (English patent, 1911, no. 15,010.) Patent Room

162. Bell, Louis. On the opacity of certain glasses for the ultra-violet. (Proceedings, American Academy of Arts and Sciences, Boston, v. 46, April, 1911, p. 669.) * EA

163. Berthelot, Daniel. Les rayons ultraviolets et leurs applications pratiques. applications (Société des ingenieurs civils de France, Mémoires et compte rendu des travaux, Paris, année 64, Dec., 1911, p. 859-951.)

VDA

Lengthy discussion of the characteristics of the rays and their use in lighting, medicine, and water purification.

164. Berthelot, Daniel, and HENRY GaudeCHON. Action comparée des rayons ultraviolets sur les composés organiques à structure cyclique. Étude des sels mineraux en solution aqueuse. (Comptes rendus, Paris, v. 152, Feb. 13, 1911, p. 376-378.) * EO

165. La nitrification par les rayons ultraviolets. (Comptes rendus, Paris, v. 152, Feb. 27, 1911, p. 522-524.) * EO

166. Bierry, Henri. Action des rayons ultraviolets sur le saccharose. (Comptes rendus, Paris, v. 152, June 6, 1911, p. 16291632.) * EO

167. Bierry, Henri, and others. Action des rayons ultraviolets sur la glycerine. (Comptes rendus, Paris, v. 152, Feb. 27, 1911, p. 535-536.) * EO

Abstract in Journal of the Society of Chemical Industry, London, v. 30, 1911, p. 386, VOA.

168. Black, Nelson Miles. Artificial illumination as a factor in the production of ocular discomfort. (Illuminating Engineering Society, Transactions, New York, v. 6, March, 1911, p. 166-177.) VOKA 169. Bujwid, Odo. Über die Einwirkung der ultravioletten Strahlen auf Bakterien. (Journal für Gasbeleuchtung und Wasserversorgung, München, v. 54, Sept. 2, 1911, p. 853-858.)

170.

VOA

(Chemiker-Zeitung, Cöth

en, v. 35, July 22, 1911, p. 806-807.) VOA

182. Erlwein, G. Die Reinigung des Trinkwassers von Bakterien mittels Ozons und ultravioletter Strahlen. (ChemikerZeitung, Cöthen, v. 35, Dec. 7, 1911, p. 1358.) VOA

183. Euler, H., and H. OHLSEN. Sur l'inversion de la saccharose dans les rayons ultra-violets. (Journal de chimie physique, Genève, v. 9, 1911, p. 416-422.) РКА

184. Grimm, and Weldert. Sterilisation von Wasser mittels ultra-violetter Strahlen. (Chemisches Zentralblatt, Berlin, Folge 5, v. 15, May 10, 1911, p. 1454.) РКА Report on sterilization of water by 1200 candle power mercury vapor lamp.

185. (Journal für Gasbeleuchtung und Wasserversorgung, München, v. 54, July 15, 1911, p. 707.) VOA

186. Guntz, A., and J. MINGUIN. Contribution à l'étude des radiations ultraviolettes. (Comptes rendus, Paris, v. 152, Feb. 13, 1911, p. 372-373.) * EO

187. Helbronner, André, and M. RECKLINGHAUSEN. Apparatus for sterilizing liquids by means of ultra-violet rays. (English patent, 1911, no. 21,829.) Patent Room 188. Appareil pour le traitement des liquides par les rayons ultra-violets. (French patent, 1911, no. 428,170.)

Patent Room

189. Perfectionnements aux appareils pour les stériliser les liquids au moyen des rayons ultra-violets. (French patent, 1911, no. 434,855.) Patent Room

190. Henri, Victor. Influence de diverses conditions physiques sur le rayonnement ultraviolet des lampes à vapeur de mercure en quartz. (Comptes rendus, Paris, v. 153, Aug. 14, 1911, p. 426-429.) * EO

191. Henri, Victor, and others. Apparatus for treating liquids with ultra-violet rays. (English patent, 1911, no. 4895.)

193.

Patent Room

Perfectionnements aux appareils pour le traitement des liquides par les rayons ultra-violets. (French patent, 1911, no. 425,406.) Patent Room

194. Landau, Marc. Action des rayons ultraviolets sur l'acide lactique. (Comptes rendus, Paris, v. 152, May 15, 1911, p. 13081309:) * EO

195. Le Bon, Gustave. Sur les variations de transparence du quartz pour la lumière ultraviolette, et sur la dissociation de la matière. (Comptes rendus, Paris, v. 153, July 3, 1911, p. 49-51.)

* EO

197. Nogier, Thomas. Apparatus for sterilizing liquids by the action of ultraviolet rays. (English patent 1911, no. 9660.) Patent Room

The mercury lamp which is employed is fitted in a casing through which the liquid flows.

198. Pierce, R. F. Quartz lamp. (Illuminating engineer, New York, v. 6, May, 1911, p. 133-137.) VOKA

199. Pougnet, Jean. Action des rayons ultraviolets sur les gousses vertes de vanille. (Comptes rendus, Paris, v. 152, May 1, 1911, p. 1184-1186.) * EO

200. Pribram, R., and A. FRANKE. Über Kondensation durch ultraviolettes Licht.