386 RECORD OF SCIENCE FOR 1886. 



Taschenbuch fiir Mouture electrischer Beleucbtuugsaulageu. S. F. von Gaisberg. 



16mo. pp. viii, 79. Miincbeu nnd Leipzig, 1886. (Oldeubourg.) 

 Foj-mnlaire pratique do I'dlectricien, 1886. E. Hospitalier. 16mo. pp. xii, 312. 



Paris, 1886. (Masson.) 

 Handbncb der Electrotcchuik. E. Kittler. Band i. 2 Hiilfte. 8vo. ])p. viii, 371. 



Stuttgart, 1886. (Euke.) 

 Illustrirte Gescbichte der Electricitiit von deu iiltesten Zeiten bis auf uusere Tage. 



E. Netoliczka. 12mo. pp. viii, 288. Wien, 1886. (Picbler.) 

 L'Etincello filectrique. No. 2. Bvo. pp. 16. Paris, 1886. (Corneloup.) 

 The Relation between Electric Resistance and Density when Varying with the Temper 



of Steel. C. Barns and V. Stroubal. 8vo. pp.32. Washin;;ton, 1='86. (Gov- 

 ernment.) 

 The Age of Electricity from Amber-soul to Telephone. P. Benjamin. 12mo. pp. 



viii, 381. New York, 1886. (Scribner.) 



