49 



AUTHOR CATALOGUE. 



Abbot, Charles G[reeley]. The Sun. 

 (review) Observatory Loudon 35 1912 

 (114-117). [4010]. 20503 



Report on the Astro- 

 physical observatory. Washington D.C. 

 Smithsonian Inst. I'lep. 1911 11312 (02- 

 Gy with ir. tables). [0020]. 20504 



and Fowle, F[rederick] 



E[ugene], jiin. " On the best value of 

 the solar constant." Astroph. J. Chicago 

 35 1912(92-100). [4200 5400]. 20505 



Abendroth, Alfred. Die Praxis des 

 Vennessungsingenieurs. Geodiitisches 

 Hand- und Nachschlagebucli . . . Ber- 

 lin (P. Parey) 1912 (XIH-815 mit 13 

 Taf.). 25 cm. [5050 0150]. 2050G 



Abetti, Antonio. Sul modo di illumi- 

 nare il cauipo oppure il reticolo di un 

 refrattore. Catania Mem. Soc. spettro- 

 scop. ital. 40 1911 (49-54). [2120]. 



20507 



Osservazioni astronomiche 



fatte all'equatoriale di Arcetri nel 1910. 

 Firenze Pubblic. 1st. st. sup. 29 1911 

 (1-57). [5910 6600]. 20508 



' II tempo. Riv. astr. sc. 



affini Torino 5 1911 (233-244). [9300]. 



20509 



Gli ultimi valori della pa- 



rallasse solare e il valore ottenuto a 

 Padova. Riv. astr. sc. affini Torino 5 



1911 (345-360). [4050]. 20510 



Comete osservate in Arce- 

 tri nel 1911. Astr. Nachr. Kiel 191 

 1912(269-278). [6600]. 20511 



Asteroidi osservati ad 



Arcetri nel 1911. Astr. Nachr. Kiel 192 



1912 (101-108). [5910]. 20512 



und KUstner, F[riedrich]. 



Stella BD4-14»4495 9 m 5 maucante. 

 Astr. Nachr. Kiel 193 1913 (227-228). 

 [7050 7600]. 20513 



(E-6988) 



Abetti, Giorgio. Sul moto proprio di 



BD-f-4^ 4879. Roma Rend. Ace. 



Lincei (Ser. 5) 20 2. sem. (470-472). 



[7060]. 20514 



.Misure di stelle doppie. 



Astr. Nachr. Kiel 191 1912 (377-388). 

 [7510]. 20515 



Pianeta 1912 PH. As'tr. 



Nachr. Kiel 193 1913 (15-16). [5910]. 



20516 



Abraham, Max. Der freie Fall. 



Physik. Zs. Leipzig 13 1912 (310-314). 



[1050]. 20517 



Achmatov, Victor Victorovic. 



Missions scientifiques pour la 

 niesure d'un arc de m^ridieu au 

 Spitzberg, entreprises en 1899-1901 

 sous les auspices des gouvernements 

 russe et suedois. Jlission russe. 

 Tome I, Section II. Observations au 

 mont Keilhau. St. Peterburg 1910 (57 

 av. 3 pL). 32 cm. [5050 5100]. 



20518 



Adames, H[enry] B[ridger]. Solar 

 eclipse of April 17, 1912. London J. 

 Brit. Astr. Ass. 22 1912 (337-338). 

 [4230]. 20519 



Adams, Walter S[ydney]. The three- 

 prism stellar spectrograph of the 

 Mount Wilson solar observatory. 

 Astroph. J. Chicago 35 1912 (163-182 

 with pi. tables). [2220 8000 8120 

 8550 8600]. 20520 



Notes from the Mount 



Wilson solar observatory. San Fran- 

 cisco Cal. Pub. Astr. Soc. Pac. 23 1911 

 (201-203). [2010]. 20521 



A list of fifty spectro- 



scopic binary stars discovered with the 

 sixty-inch reflector at Mt. Wilson. San 

 Francisco Cal. Pub. Astr. Soc. Pac. 

 24 1912 (129-130). [8600]. 20522 



