UNITED STATES 21 



contents being rearranged before publication in volume form. In the 

 latter edition v. 19-20 of the monthly issues are numbered v. 19-22. 

 Beginning with Sept., 1904, each no. consists of 2 sections (i) general 

 institute matters (ii) papers and discussions, of which the latter only 

 is reproduced in the volume. From Jan., 1905, monthly nos. are en- 

 titled PROCEEDINGS. . . . 



Prices: Volumes of Transactions paper, $5; cloth, $5.75; half-morocco, 

 $6.50 (v. 1-4 in paper only, $2 each). Subscription to monthly Pro- 

 ceedings $5 a year in U. S., Canada and Mexico, $6 for other countries; 

 single numbers, SOG each. 



Handbook for the year 1900. New York, 1900. 8. 



Classified list of papers published by the Institute, 1884-99, v. 1-16 in- 

 clusive: p. 17-31. 



Catalogue of periodical publications in the library . . . New York, 



1904. 8. 

 High-tension power transmission. New York, 1905-06. 2 v. 8. 



Contents: [v. i] A series of papers and discussions presented at the meet- 

 ings of the Institute, under the auspices of the Committee on high- 

 tension transmission. v. 2. A series of papers and discussions presented 

 at the International electrical congress in St. Louis, 1904. Republished 

 by the McGraw publishing co., by special arrangement with the institute 

 and the congress. 



Electrical handbooks to various cities (e. g., Boston, Chicago, Mon- 

 treal, New York, Niagara Falls, Philadelphia, Pittsburg, St. Louis, 

 Schenectady, Washington) to serve as guides for visitors from 

 abroad attending the International Electrical Congress, St. Louis, 

 Sept., 1904, were issued in 1904 under the auspices of the Institute. 

 The Institute cooperates with the Institution of Electrical Engineers 

 (London), the Physical Society of London and the American Physi- 

 cal Society in the publication of Science Abstracts. 



Distribution. Exchange with leading technical publications. On sale by the 

 Secretary. 



Prises. EDISON MEDAL. Awarded annually for best thesis or record of 

 research on theoretical or applied electricity or magnetism, submitted 

 to the Institute by a properly qualified student. Each competitor must 

 have graduated and received a degree during the year for which the 

 medal is to be awarded, in some course of study at some institution 

 of learning within the United States or Dominion of Canada, which 

 course of study shall include the branch of electrical engineering and 

 shall represent normally not less than 2 years of continuous residence 

 and work; he must not be of greater age than 25 at the day of his 

 graduation. Not more than 2 students may compete in any one year 

 from any one institution; and any student who competes must be duly 



