4o6 



AUTHOR INDEX 



Wuhfmann-Meyer, 292 



WyckofF, 115, 121, 122, 123, 



125, 126, 127, 129, 159, 



174, i75> 216, 218, 222, 



241, 256, 257, 282, 308, 



348, 349, 351, 352, 357, 

 358, 364 



Young, 316, 363, 364 



Zacek, 273 

 Zacharias, 184 

 Zahn, 342, 343 

 Zegar, 300 

 Zenker, 255 

 Zernike, i, 108 

 Zetzsche, 296, 297 

 Ziegenspeck, no 

 Ziifle, 113 



Zimmer, 231 

 Zimmermann, 221, 

 Zirkle, 245 

 Zocher, 9, 52, 53 

 ZoUikofer, 287 

 Zollinger, 173 

 Zsigmondy, 4, 8, 



17, 76 

 Zworykin, 115, 116 



327 



10, II, 



I 



