REPORT OF the; secretary general. 217 



SUBSECTION 2. 



MARINE ENGINEERING. 



Merchant marine, by Lewis Nixon. 



Organization of the technical work of the United States Lighthouse Service and 



its coordination with other Government services, by George R. Putnam. 

 Scientific work of the United States Navy, by Admiral D. W. Taylor. 

 Shallow-draft boats and barges for inland navigation, by L. H. Beach and 



Charles Keller. 

 The United States Coast Guard and its functions, by C. A. McAllister. 

 United States Lighthouse Service, lighthouses, fog signals, light-vessels, and 



bux)ys, by George R. Putnam. 



SUBSECTION 3. 

 ELECTRICAL ENGINEERING. 



Aluminum conductors for electric transmission lines, by Theodore Vamey. 

 El cdlculo exacto de las lineas de transmisidn con admiiancia dielectrica 



repartida y el metodo hiperbolico complejo, by Arturo E- Salazar. 

 Electrical codes and standards, by Edward B. Rosa. 

 Electric power transmission and distribution systems; present status, by 



Percy H. Thomas. 

 Electrochemical industries, by G. A. Roush. 

 Flujo electrico, by Bautista Lasgoity. 

 Industrial applications of electricity, by Philip Torchio. 

 La radiotelegrafia en el Uruguay, by Bernardo Kayel. 

 Physical aspects of radio telegraphy, by John L. Hogan, jr. 

 Pastes telegrdficos, by Guillermo Destruge. 

 Proyecto de "Conveticidn Radiotelegrdfica Panamericana," by Contra 



Almirante Juan A. Martin and Emilio E. Dagassan. 

 Some recent developments in telephony and telegraphy, by Frank B. Jewett. 

 The electrification of transportation lines, by Norman Wilson Storer. 

 The hydro-electric utilization of Niagara Falls and elsewhere, by Maurice 



Deutsch. 

 Underground cables, by H. W. Fisher, 



SUBSECTION 4. 



RECLAMATION, SEWAGE, AND MUNICIPAL WATER SUPPLY. 



Algo sobre saneamiento de Guayaquil (Ecuador), by Francisco Manrique. 

 Disposal of sewage and refuse in America, by Morris Knowles. 



