LIST OF PLATES. 



Page. 



Secretary's Report: 



Plate I - 14 



Plate II 31 



Plate III 40 



PlatelV 49 



Plate V 66 



Plate VI 70 



Plate VII 108 



Plate VIII 109 



Plate IX H" 



Plate X, XI, XII 124 



Plate XIII 125 



The Smithsonian Institution: 



Plate 1 145 



Plate II 146 



Plate III ... 147 



Plate IV 148 



Plate V 149 



Plate VI 150 



Principal Events in Astronomy 

 (Abbol i: 



Plate I 154 



Plate II ( Heliotype) 156 



Plate III 156 



Plate IV (Heliotype) 158 



Plate V 162 



Plate VI ' 168 



Use of Kites at Sea I Etotch): 



Platel 246 



Plate II 248 



Utilizing Sun's Energy (Thurs- 

 ton ) : 



Plate l 268 



Wireless Telegraphy I Marconi): 



Plate 1 287 



Trans- Atlantic Te lephoning 

 (Anthony |: 



Plate [. 304 



Plate II 305 



The Telephonograph (Hammer): 



Platel 308 



Plate II (colored) 312 



( !olor Photography 1 1 lerschel) : 



Plate 1 (colored) 314 



Plate II (colored) 315 



Plate III (colored) 316 



VIII 



Page. 



History of Chronophotograph^ 

 ( Marey i : 



Plate I 320 



Plate II 329 



Plate III 330 



Plate IV 331 



Plate V 332 



Plate VI 333 



Plate VII 334 



Plate VIII 335 



Plate IX 340 



National Physical Laboratory 

 i ( Uazebrook): 



Plate 1 344 



Plate II 351 



Emigrant Diamonds (Hobbs): 



Platel 360 



Plate II 362 



Plate III 364 



Bogoslof Volcanoes (Merriam): 



Platel 368 



PlateH 370 



Plate III 372 



Voyage of the Belgica (Arctow- 

 ski): 



Platel 378 



Plate II 380 



Plate III 382 



PlatelV 383 



Plate V 384 



Plate VI 386 



Plate VII 388 



Forest Destruction (Pinchot): 



Plate 1 401 



Plate II 402 



Plate III 403 



Plate IV 404 



I RRIG ITION i Newell! : 



Platel 410 



Plate II 412 



Plate III 414 



Plate IV 417 



Plate V 418 



Plate VI 420 



Plate VII 422 



