58 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 76 



320 M. Honnorat, Bull. Soc. Astr. Fr., 36, pp. 31-40, 1922. 



321 J. Lagarrigue, Bull. Soc. Astr. Fr., 36, pp. 31-40, 1922. 



322 B. Meyermann, Astr. Nachr., 215, pp. 34-35, 1921-2. 



323 J. Trarieux, Bull. Soc. Astr. Fr., 36, pp. 31-40, 1922. 



324 J. Vetter, Bull. Soc. Astr. Fr., 36, pp. 31-40, 1922. 



Table 8. — References on the Photometry of Lunar Eclipses 



1863 VI I G. B. Airy, Mo. Not. Roy. Astr. Soc, 24, p. 67, 1863-4. 



Extra-focal (short-sight) images of stars. 

 1863 VI I C. Flammarion, Popular Astronomy, p. 187. 



Comparison with stars. 

 1870 VII 12 C. Flammarion, Popular Astronomy, p. 187. 



Comparison with stars. 

 1877 VIII 23 J. J. Plummer, Observatory, i, pp. 197-199, 1877. 



Rumford photometer and candle. 

 1884 X 4 G. L. Tupman, Mo. Not. Roy. Astr. Soc, 45, pp. 41-42, 1884-5. 



Comparison with stars. 

 1888 I 28 Dorst, Sirius, 21, pp. 241-242, 1888. 



Comparison with stars. 

 1888 I 28 C. Flammarion, Popular Astronomy, p. 188. 



Comparison with stars. 

 1888 I 28 E. C. Pickering, Ann. Harv. Coll. Obs., 18, pp. 73-83. 



Photographic. 

 1888 I 28 G. Tramblay, L'Astronomie, 7, pp. 103-106, 1888. 



Comparison with stars. 

 1888 I 28 W. G. B., Engl. Mech., 46, p. 554, 1888. 



Extra-focal (short-sight) images of stars. 

 1888 VII 22 E. S. Holden, Publ. Lick Obs., 4, pp. 107-121, 1891. 



Lines of equal illumination traced in focal plane of 36-inch. 

 1891 XI 15 W. H. Pickering, Ann. Harv. Coll. Obs., 32, pp. 255-256. 



Photographic. 

 1891 XI 15 Safarik, Astr. Nachr., 129, pp. 397-400, 1892. 



Extra-focal (short-sight) images of stars. 

 1895 IX 3 F. W. Very, Astrophys. Journ., 2, pp. 293-305, 1895. 



Special photometer. 

 1898 XII 27 G. W. Hough, Science, 10, p. 794, 1899. 



Photographic. 

 1898 XII 27 W. Laska, Astr. Nachr., 149, pp. 137-140, 1899. 



Extra-focal (short-sight) images of stars. 

 1898 XII 27 W. H. Pickering, Ann. Harv. Astr. Obs., 32, pp. 256. 



Photographic. 

 1903 IV II Ruhmer, Weltall, 3, pp. 200-202, 1902-3. 



Selenium cells. 

 1910 XI 16 J. Elster u. H. Geitel, Phys. Ztschr., 11, pp. 1212-1214, 1910. 



Photoelectric cell. 

 1921 X 16 A. Danjon, C. R., 173, pp. 706-708, 1921. 



Special polarizing photometer. 

 1921 X 16 J. Hopmann, Astr. Nachr., 215, pp. 269-274, 1921-22. 



Special photometer. 



