ON OtJR KNOWLEDGE OP SPECTRUM ANALYSIS. 



335 



J. N. Lockyer . 



W. Erck . 



H. W. Vogel . 



J. N. Lockyer , 



Thollon . 



A. S. Herschel . 



V. V. Lang 



A. Thollon 



L. Laurent , 



Ct. Hiifner 



F. V. Lepel . 



Piazzi Smyth . 



A. Ricco . 

 Thollon . 

 A. Schuster 



A. Crova . 



• • 



• • 



G. D. Liveing and J. 

 Dewar. 



Instrumental, 1878, 1879. 



On the Use of the Reflecting Grating \ 

 in Eclipse Photography. (Reed. 

 Feb. 8. Read Feb. 14.) 



Improvements in a Solar Spectro- 

 scope made by Mr. Grubb for Pro- 

 fessor Young. (Read March 8.) 



Ueber einen Universalapparat zu 

 spektroskopischen Beobachtungen . 

 (May 22.) 



An Eclipse Spectroscope . . 



Nouveau spectroscope . . 



Measuring Scales for Pocket Spectro- 

 scopes. 



Verbindung des Spektralapparates 

 mit dem Axenwinkelapparate. 



1879. 



jSTonveau prisme compost, pour spec- 

 troscope k vision directe, de tr^s 

 grand pouvoir dispersif. (Read 

 Jan. 13.) 



Sur le spectroscope de M. Thollon. 

 (Read Jan. 13.) 



Ueber eine niitzliche Vereinfachurg 

 des Spectralapparates. 



Ein neues Universalstativ fiir die 

 Benutzung des Taschenspectro- 

 skopes. (Reed. Feb. 13.) 



Illumination in Spectroscopy. (Ab- 

 stract of paper upon ' End-on in 

 place of Transverse Illumination in 

 Private Spectroscopy.') 



End-on Gas Vacuum Tubes in Spec- 

 troscopy. (Feb. 28.) 



Combinazioni spettroscopiche a 

 visione diretta. (March 1879.) 



Spectroscopes ^ vision directe at a 

 grande dispersion. 



An Easy Method for Adjusting the 

 Collimator of a Spectroscope. 



Note sur les spectrophotomMres 



Note on a Direct- vision Spectroscope 

 after Thollon's Plan, adapted to 

 Laboratory Use and capable of 

 giving exact Measurements. (Reed. 

 April 3. Read April 3.) 



' Proc. Roy. Soc' xxvii. 

 107-108. 



' Monthly Not. Astr. Soc' 

 xxxviii. 331-332. 



'Chem. Centr.' 1878, 335; 



< J. Chem. Soc' xxxiv. 

 829 (Abs.) 



' Nature,' xviii. 224-225. 



' J. de Phys.' vii. 141-148. 



'Nature,' xviii. 300-301; 

 ' Beiblatter,' ii. 560-561 

 (Abs.) 



' Zeitschr. f . Kryst. u. Mi- 

 neral.' ii. 492-494 ; ' Bei- 

 bliltter,' ii. 657 (Abs.) 



'0. R.' Ixxxviii. 80-82; 

 ' Beiblatter,' iii. 355-356 

 (Abs.) 



'C. R.' Ixxxviii. 82-84; 



< Beiblatter,' iii. 355-356 

 (Abs.) ; ' Les Mondes,' 

 xlviii. 199-200 (Abs.) 



'Carl. Repert.' xv. 116- 

 118. 



'Ber.'xii. 263-266; 'Bei- 

 bliitter,' iii. 501 (Abs.) 



' Nature,' xix. 400. 



'Nature,' xix. 458; 'Bei- 

 bliitter,' iii. 604-605 

 (Abs.) 



' IMem. spettr. ital.' viii. 

 21-34. 



' J. de Phys.' viii. 73-77. 



' Proc. Phys. Soc' iii. 

 14-17; 'Phil. Mag.' [5] 

 vii. 95-98 ; ' Beiblatter,' 

 iii. 354 (Abs.) 



'J. de Phys.' viii. 85-92; 

 ' Beiblatter,' iii. 356 

 (Abs.) 



' Proc. Roy. Soo.' xxviii. 

 482-483 ; ' Beibliitter,' 

 iii. 709 (Abi?.) 



