154 



ANNUAL REPORTS, SMITHSONIAN INSTITUTION 



Radio — Continued 



Radio acoustic ranging (R.A.R.), by 

 K. T. Adams. 1944: 221-238 



Radiotelegraphy, by Guglielmo Mar- 

 coni. 191 1 : 117-131 



Recent advances in wireless telegraphy, 

 by G. Marconi. 1906: 131-145 



Recent contributions to electric wave 

 telegraphy, by J. A. Fleming. 1907: 

 163-193 



Researches in radiotelegraphy, by J. A. 

 Fleming. 1909: 157-183 



Signaling through space without wires, 

 by W. H. Preece. 1898: 249-257 



Sun spots and radio reception, by 

 Harlan T. Stetson. 1931: 215-228 



Telegraphy of photographs, wireless 

 and by wire, by T. Thorne Baker. 

 1910: 257-274 



Telegraphy — pony express to beam 

 radio, by George C. Hillis. 1947: 

 191-205 



Wireless telegraphy, by G. Marconi. 

 1 901: 287-298 



Wireless telegraphy: its past and pres- 

 ent status and its prospects, by 

 William Maver, Jr. 1902: 261-274 



Wireless telephony, by R. A. Fessen- 

 den. 1908: 161-195 



Wireless telephony, by N. H. Slaugh- 

 ter. 1919: 177-192 



Wireless transmission of energy, by 

 Elihu Thomson. 19 13: 243-260 

 Radio astronomy 



Development of radio astronomy, by 

 Gerald S. Hawkins. 1957: 279-291 



Radio astronomy, by J. A. Ratcliffe. 

 1952: 179-184 



Solar radio astronomy, by Alan Max- 

 well, 1959: 299-307 



Problem of radioactive lead, by Theo- 

 dore W. Richards. 1918: 205-219 

 Radioactivity 



Experimental study of radio-active 

 substances, by Henry Carrington 

 Bolton. 1899: 155-162 



Experiments in radioactivity and the 

 production of helium from radium, 

 by William Ramsay and Frederick 

 Soddy. 1903: 203-206 



Moon and radioactivity, by V. S. 

 Forbes. 1930: 207-217 



Pleochroic haloes, by J. Joly. 1914: 



3!3-3 2 7 

 Plutonium and other transuranium 



elements, by Glenn T. Seaborg. 



1947: 207-216 

 Radioactivity, by Franz Flimstedt. 



1906: 1 17-130 

 Radioactivity and atomic theory, by 



Ernest Rutherford. 1936: 161-175 

 Radioactivity of matter, by Henri Bec- 



querel. 1902: 197-206 

 Transuranium elements, by Glenn T. 



Seaborg. 1959: 247-262 

 Radiography 



Progress in radiography, by L. Gastine. 



1905: 151-161 

 See also X-rays 

 Radioisotopes 



Radioisotopes, new keys to knowledge, 



by Paul C. Aebersold. 1953: 219- 



240 

 Radium 



Manufacture of radium, by Camille 



Matignon. 1925: 221-234 

 Radium, by E. [= Pierre] Curie. 1903: 



187-198 

 Radium, by }. }. Thompson. 1903: 



199-201 

 Radium and the electron, by Ernest 



Rutherford. 19 19: 193-203 

 Use of radium in medicine, by An- 



toine Beclere. 1924: 207-211 

 Railroads 



Development of Rhodesia and its rail- 

 way system in relation to oceanic 



highways, by J. T. P. Heatly. 1905 : 



279-292 

 Economic conquest of Africa by the 



railroads, by A. Fock. 1904: 721- 



735 

 Facts and problems bearing on electric 

 trunk-line operations, by Frank J. 

 Sprague. 1907: 131-161 



