212 LITERATURE OF THE SPECTROSCOPE, 



Wadsworth, F. L. 0. Amer. J. Sci. (3) 48 (1894) 496-501. 

 Warren, H. N. Chem. News 65 (1892) 87. 



(14) FLUOROSCOPES. 



Edison, T. N. Electrician 36 (1896) 834-835. 



Martens, F. F. Ztsch. f. Instrum. 18 (1898) 252-253; Beibl. (1898) 



777- 

 Trowbridge, C. C. New York Acad. Trans. 11 (1898) 31. 



(15) GAS SPECTROSCOPES. 



Berthelot. Ann. chim. phys. (7) 11 (1897) 43-77; C.-R. 124 (1897) 



525-528. 

 Lunge, G. Ber. chem. Ges. 24 (1891) 3948-3950. 



(16) GRATINGS. 



Ames, J. S. Phil. Mag. (5) 27 (1889) 369-384; Beibl. (1888) 673. 



Bruere, Miss A. H. Phys. Rev. 3 (1896) 301-305; Beibl. (1896) 653 



Hadden, D. E. Pop. Astron. 3 (1895) 84-86. 



Haga, H. Ann. Phys. n. F. 57 (1896) 389-393. 



Jewell, L. E. Astron. and Astrophys. 13 (1894) 44-48; Beibl. (1894) 



749- 

 Larmor, J. Proc. Lond. Math. Soc. 24 (1892-1893) 161. 

 Mitchell, S. A. Astrophys. J. 8 (1898) 102-112; Johns Hopkins 



Univ.Cir. (1898) 56. 



. Astrophys. J. 10 (1899) 29-39; Beibl. (1899) 773. 



Newall, H. F. Mon. Not. 52 (1892) 509-512; Beibl. (1893) 129. 

 Olsen, H. Ztsch. f. Instrum. 18 (1898) 280-283; Beibl. (1899) 557. 

 Olsson, . Oefvers. Vet. Akad. Stockholm 55 (1898) 5-33. 

 Poor, Ch. L., and 5. A. Mitchell. Astrophys. J. (1898) 157-163; 



Johns Hopkins Univ. Cir. (1898) 61-62. 



. Astrophys. J. 8 (1898) 235-236. 



Rayleigh, Lord. Nature 54 (1896) 332-333. 



Righi, A. Atti 1st. Ven. (6) 5 (1887) 60 pp.; Beibl. (1887) 539-543- 



Rowland, H. A. Astron. and Astrophys. 12 (1893) 129-147; Beibl. 



(1893) 838; Phil. Mag. (5) 35 (1893) 397-419- 

 Rydberg, J. R. Phil. Mag. (5)35 (1893) 190-199; Bih. Svensk. Akad. 



Handl. 18 (1893) No. 9; Beibl. (1893) 840. 

 Thompson, S. P. Chem. News 59 (1889) 70; Beibl. (1890) 624. 

 Wadsworth, F. L. O. Astrophys. J. 2 (1895) 370-382. 

 . Astrophys. J. 3 (1896) 47-62. 



