Personal Equations. 



143 



3200 



2600 :\[ISCELLANEOUS. 



Glazenap. 129S1. L'exactitnde de 

 determination de I'heure Ti I'aide de I'an- 

 ueau solaire. (Russ.) 



Laves. Der Kreisbodograph. A.X., 

 178, (321). 



Rozanov. 13785. Determination de 

 la position de taches sar la surface du 

 soleil. (^Riiss.) 



3000 ADJUSTMENT OF INSTRU- 

 MENTS, INSTRUCTIONS FOR 

 MOUNTING. 



Bigourdan. Sar le mode liabituel de 

 piil)lication des observations equatoriales 

 et sur un nioven de I'ameliorer. C.R., 

 144, (131-ij. ■ 



Heele u. Knorre. Montiemng von 

 Aeqiiatorealen nach Knorre imd Heele. 

 A.N., 177, (177j; 178,(273). 



GENERAL REDUCTION AND 

 RECTIFICATION OF OBSERVA- 

 TIONS. 



3030 



GENERAL. 



Colin. 12717. Theorie der astrono- 

 mischen Winkelmessinstruniente, der 

 Beobachtungsmethoden iiud ibrer Fehler. 



Midzuhara. An analytical determina- 

 tion of the law of linearly combining a 

 series of indirect observation-equations 

 so tbat the probable errors of tlie un- 

 known quantities become ininima. A. J., 

 25, (17). 



A new theoi-y of indirect 



observations. A.J., 25, (51). 



Palmer. Short method of computing 

 an approxiinate value of the reduction to 

 sun in radial velocity determinations. 

 Ap..J., 24, (51). 



3070 



TRANSIT CIRCLE. OTHER 

 MERIDIAN INSTRUMENTS. 



Tucker. Graduation corrections for 

 fundamental observations. P. A., 14, 



(321). 



Zappa. 14089. Sulla piu opportuna 

 scelta delle declinazioni stellari per de- 

 terminare le costanti strumentali azimut 

 e coUimazione e I'errore dell'orologio 

 usando lo strumento dei passaggi in me- 

 ridiano senza inversione. 



3080 ALTAZIMUTH. ALMUCANTAR. 

 OTHER EXTRA-MERIDIAN 



INSTRUMENTS. 



Hill. A comparison of two methods 

 of obtaining level corrections in prime- 

 vertical transit ol)servations. A. J., 25, 



(85). 



3100 MICRO^iIETER, VISUAL 

 AND PHOTOGRAPHIC. 



Refraction, Aberration. 



Grabowski. 12993. 12994. Ober 

 physiolo.nische Fehler bei astronomi- 

 schen Messungen mit okkultierenden 

 Mikrometern. 



Zinner. Beziehungen zwischen dem 

 wahren Ort eines Himmelskcirpers und 

 dem im Stereokomparator messbareii 

 Ort seines stereoskopischeu Bildes. Diss. 

 Jena, 190S. 



3200 PERSONAL EQUATIONS, 

 INCLUDING MAGNITUDE 



EQUATION, DECIMAL EQUA- 

 TION AND ALL PHYSIOLOGICAL 

 CAUSES OF ERROR (IRRA- 

 DIATION, Etc.). 



Bruck. L'oquation decimale dans les 

 observations meridiennes de passages 

 enregistres an chronographe imprimant. 

 B.A., 23, (3G1). 



Doberck. Accuracy of measures made 

 bv the ]3rincipal double-star observers. 

 A.N., 177, (65). 



Douglass. 12825. Illusions of vision 

 and the canals of Mars. 



Ehrenfeucht. Relative Genauigkeit 

 der Doppeisternbeobachtungen bei ver- 

 schiedenen Beobachtern. A.N., 177, 



(381). 



Grabowski. 12993. 12994. Leserreurs 

 physiologiques dans les mesures astrono- 

 miques executees a I'aide d'un micro- 

 metre d'occultation. (Polish.) 



Eostinsky. Einwirkung zweier Bilder 

 auf einaiider bei astrophotographischen 

 Anfnahmen. M.S.Pk., 2, (I7j. 



Osthoff. Der Wechsel der Farben- 

 empfindung des Auges. A.N., 178, (57). 



13572. Mond-Meteore. 



Salet et Bosler. Recherches sur les 

 erreurs dues a I'equation personnelle et 

 mesures micrometriques d'etoiles 

 doubles. B.A., 25, (18). 



