30 LITERATURE OF THE BPECTROSCOPE. 



RE] RA< i' mi ii OS. 



Bur un re'fractometre destine & la i. ■ ■ et de la disp 



,]. - corps soli 



Compl . 95. 517 520; Beiblatter, 6, 



(Aba. I : /-. [nstrumenten., 2. 11 i US A 



I'emploi d'un verre bireTringent dans ervationsd'i 



Bped rale. 



Cruls. c optej Rendus, 96, 1298-1294; Nature, 28, 

 blatl 7 



oce phenomena in a n<-w form of refractometer. 



\ A Amer. Jour 3 23 100; Phil, M 



13,230-242; ] 



Appareils refringenta en sel genu 



:.• P.). Comptea Rendus, 97 7, 868 (Ate 



A 1 1 ■ ■ w refractometer for measuring the mean refractive ind< \ of plates 

 of glass and lenses by the employment of Newt m's rings. 



k w r 24 



REGISTERING 3P1 I I Ri fll i iPE. 



\ i _ >:• ring spectroscope. 



Hugging* V. Royal Soc., 19, 817-818; Ph .Mag I 41 



544-546; Ann. Chim. et Phys., (4) 26. 276-276; CI N 23 



REVERSION SPE< PROS) OP] 9. 



Ein neues Reversi 



Zollner | P.). Ber. d. Sa G • I. W 23 

 vi. ( 144 149-466; Phil. M 13 



Chen 173. 



Ein neuer Reversionsspectralappi 



Eonkoly iN. von). Centralzeitung f. Optik ' A, 4. 122 



Dngarn, 1. 128 I 



ope. 

 lej S. P I tea Rendu! (1884), 11 16-11 17. 



On a method of estimating the thickness of Young't R I r. 



Pultifer W. H Amer. Joui 17 



w form of reversible Bpectr 



w. I. 23 



