Undiffracted Long- Waved Heat Rays by Wire Gratings. 335 



g II 





1 



1—1 



o 



cs 



1— 1 



r-< 



CO 



iO 



© 



l-~ 



CO 







o 



00 



t~ 



co 



CO 



t^ 



00 



CO 



CO 







S- 



00 



fc- 



kO 



-H 



CO 



CI 









r— I 



ci 



| 



o 



o 



o 



o 



o 



o 



© 



© 



© 



© 



1 



(N 



r— 



cm 



CM 



b- 



<M 



t- 



t^ 



co 



co 





»< 



CO 



CD 



o 



o 





CM 



iO 



CO 





© 



O 



O* 



CO 



CO 



o 



CO 



CO 



CO 



co 



CO 



CI 



CM 





O 



o 



o 



o 



© 



o 



© 



© 



© 



© 



1 



O 



CD 



t- 



1^ 



kO 



00 



© 



CD 



oo 



CO 





«• j 



CD 



CO 



Cl 



CD 





co 



o 



IO 



CO 



CM 





O 1 



CM 



CN 



CI 



1 — 1 



1— 1 





© 



© 



© 



© 







O 



O 



o 



o 



o 



o 



© 



o 



© 



© 





1 



O 



o 



o 



iO 



CI 



kO 



© 





© 



co 





« 



© 





CD 







CO 



co 



CD 



t- 



o 





CI 



o 



CD 



kO 



CO 







o 



© 



© 





1 



o 



o 



o 



o 



o 



o 



© 



© 



© 



© 



1 



CM 



OS 



iO 



Cs 



»o 



^H 



t~ 



CO 



l 



co 





^5 



oo 



o 



CD 



t^ 



1— 1 



CO 







© 



© 



<y 



CO 



co 



CO 



CO 



<■* 



^p 



TfH 



CO 



CO 



CI 





o 



o 



O 



o 



o 



© 



© 



© 



o 



© 





i^ 



LO 



CI 



kO 



o 



o 



CI 



tH 



co 



CI 





eo 



© 



CI 



k<0 



CD 



CO 



oo 



CD 



CO. 



CI 







O' 



CO 



CO 



CI 



1—1 





o 



© 



© 



© 



© 







o 



o 



o 



o 



o 



© 



© 



© 



© 



© 







« 





CD 



-f 



_ 



^ 



© 



O 



kO 



© 







kO 





CO 



CI 



CI 



^ 



t- 



CO 



rH 



© 





« 



o 





CO 



CD 



"* 



co 



CI 



CM 



i—i 









-H 





© 



o 



o 



© 



© 



© 



© 



o 





CO 





OS 



>o> 



o 



CD 



cc 



CI 



© 



© 





a, 



t~ 





CO 



CD 



CI 



1^ 







1^ 





3 



& 



CO 





Tfi 



iO 



CD 



kO 



o 



tH 



co 



co 



<1 





o 





o 



o 



o 



© 



© 



o 



© 



© 





co 





o 



CI 



^ H 



CD 



© 



TJH 



CI 



^ 







CD 





oo 



»o 



CD 



c: 



-^ 



o 



kO 



CO 





cy 



CO 





CO 



CO 



CM 



1—1 





1—1 



© 



o 







o 





o 



o 



o 



© 



© 



© 



o 



© 







>o 



iO 



o 



o 







© 







kO 







o 



o 



CD 



1^ 







00 







Tfi 





f£ 



"* 





co 



CO 







O) 







i-H 







o 



o 



o 



o 







© 







© 





o 



o 



-F 



co 







iO 







© 





a. 



iO 



CO 



Ol 



co 







CO 







CD 



s 



& 



»> 



CD 



o 



-f 







co 







CI 



O 





o 



o 



o 



o 







© 







© 





kO 



b- 



OS 



ci 







t- 







CI 





*5 



00 





o 



CD 







CD 







-H 





o- 



Ol 



Ol 



<M 









© 







© 







° 



o 



o 



o 







© 







© 







lO 



CO 



cm 



tH 



kO 



CO 



© 



co 



© 



-H 







o 



kO 



CI 



o 



t>. 



Ol 





CD 



CI 



no 





JS 



1 w 



CO 



CO 



CO 



CM 



CM 



<M 



— 1 



1 — 1 



© 







1 <=> 



o 



o 



o 



o 



© 



© 



© 



© 



© 





CO 



Tfl 



o 



o 



l 



00 



CD 



CD 



CO 



-H 





«v 



tH 



o 



CO 



CO 



CO 



CD 



kO 



co 



CI 



O 



Ph 



y 



CD 



CD 



iO 



"* 



Tfl 



co 



CO 



CO 



co 



CO 





O 



o 



o 



o 



o 



© 



© 



© 



© 



© 





>o 



CD 



,_, 



CD 



o 



o 



■o 



CD 



CD 



CD 







CO 





t~ 



-f 





CD 



l> 



CD 



co 



CI 





cy 



CM 



CM 







1—1 



© 



© 



© 



© 



© 







o 



O 



o 



o 



o 



© 



© 



© 



© 



© 



ho 

























•5 



to. 



o 



o 



lO 



o 



IQ 



o 



kO 



© 



VO 



o 



VO 



£ 









r-t 



1 — 1 



cq 



CM 



CO 



CO 



TH 



TjH 



$ 

























