5100 



194 



Helmert, F. E[obert]. Ueber die 

 Reduction von Lothabweicliungeii aiif 

 ein holier gelegenes Niveau. Haarlem, 

 Arch. Neerl. Sci. Soc. Holl., (Ser. 2), 6, 

 1901, (442-447). 



-Dr. H e c k e r's Bestnnniung 



der Schwerkraft auf dem Atlantisclieii 

 Ocean. Berlin, SitzBer. Ak. Wiss., 

 1902. (126-129). [J 10 B 0180 

 F 0230]. 



Hill, George A[lexander]. Latitude 

 and the Variations of Latitude Deter- 

 mined ... at the U.S. Naval Ob- 

 servatory. Astr. J., Boston, Mass., 21, 



1901, (177-182). 



Eocb, K. R. Relative Schwerenies- 

 sungen in Wurttemberg. I. lOStationeti 

 auf dem Tiibinger Meridian (Fiirfeld, 

 Schwaigern, Brackenheim, Freudenthal, 

 Markgroningen, Solitude, Sc'honaich, 

 Lustnau, Mossingeu, Blitz). Stuttgart, 

 Jahreshefte Ver. Natk., 57, 1901, (356- 

 409), mit 3 Taf.). [J 10 dc B 0180]. 



Kohl, Max. Transportabler Apj^arat 

 fiir C a Y e n d i s h's Versuch iiber Mas- 

 senanziehung. Zs. Instrument enk., 

 Berlin, 21, 1901, (328-330). [B0180 

 J 10]. 



London, Royal Astronomical Society, 



Coimcil of. Latitude Variation, 1901. 

 London, Mon. Not. E. Astr. Soc, 62, 



1902, (320-321). 



Neumayer, G[eorg] von. Schwer- 

 kraftsbestimmungen auf dem australi- 

 schen Festlande. Haarlem, Arcli. 

 Neerl. Sci. Soc. Holl., (Ser. 2), 6, 1901, 

 (333-348). [J 70 ie]. 



Determination of the Force 



of Gravity at Melbourne in an Absolute 

 Manner (1863) and subsequently Rela- 

 tivelv. Rep. Austral. Assoc. Adv. Sci., 

 Melbourne, 8, 1901, (277-289). 



Penrose, Francis Cranmer. On a 

 Method of predicting by Graphical Con- 

 struction occultations of stars by the 

 moon . . . [and methods] lor the 

 accurate calculation of Longitude. 2nd 

 Ed. London (Macmillan), 1902, (viii -^ 

 36, with pi.). 39 cm. 12s. [0150 0350]. 



Poincare, II. Les mesures de gravite 

 et la (icoiiesie. Biol, astr., Paris, 18, 

 1901,(5-39). [5050]. 



Sur les deviations de la 



verticale en geodesie. Bui. astr., Paris, 

 18, 1901, (257-276). 



I, Vincenzo. Determinazione as- 

 tronomica di azimut eseguita a Monte 

 Soratte nel 1900. Roma, Rend. Ace. 

 Lincei, (Ser. 5), 10, 1901, (346-351). 



Determinazione astro- 



nomica di latitudiue eseguita a Monte 

 Soratte nel 1900. Roma, Rend. Ace. 

 Lincei, (Ser. 5), 10, 1901, (284-291). 



Sande Bakhuyzen, E[rnst] F[rederik] 

 van de. The motion of the pole of the 

 earth according to the observations of 

 recent years. Amsterdam, Proc. Sci. K. 

 Akad. ■ Wet., 3, 1901, (157-163) 

 (English) ; Amsterdam, Versl. Wis. 

 Nat. Afd. K. Akad. Wet., 9, 1901, (159- 

 165) (Dutch). 



Scetkin, N. 0. Determinations 

 astronomiques des lieux dans le rayon 

 aurifere d'Jenisejsk faites en 1897 et 

 1898. (Rxiss.). St. Peterburg, Zap. 

 Voenno-Top. otd. Gl. Staba, 58,2, 1901, 

 (55-122, av. 1 pi.). 



ScMotz, 0. E. Pendulum Observa- 

 tions [in tbe Arctic Regions]. [In 

 Nansen, Fridtjof. The Norwegian North 

 Polar Expedition 1893-1896]. London, 

 New York, and Bombay (Longmans), 

 1901,(1-90). 29 cm. 



Results of the Pendulum 



Observations and some Remarks on the 

 Constitution of the Earth's Crust. The 

 Norwegian North Polar Expedition, 

 1893-1896. Scientific Residts edited 

 bv Frithjof Nansen. Vol.2. Kristiania, 

 1901, (90). [5000]. 



Schmidt, lu. A. Determinations 

 astronomiques des jJoints dans le rayon 

 des travaux du Ministere d' Agriculture, 

 dans le Gouvernement de Tobolisk, 

 faites en 1899. (Russ.). St^ Peterburg, 

 Zap. Voenno-Top. otd. Gl. Staba, 58, 2, 

 1901, (375-398, av. 1 pi.). 



Schokalsky, Jules de. Sur les observa- 

 tions (lu pendule a seconde en Russie. 

 Verb, intern. GeogrCongr., 7, (1899), 2, 

 Berlin, 1901, (16-17). [J 10 B0180]. 



Stein, Joannes Wilhelmus Jacobus 

 Antonius. Beobachtimgen zur Bestim- 

 mung der Breitenvariation in Leiden 

 uach der Horrebow-methode angesteUt 

 von Juni 1899 bis Juli 1900. Haarlem, 

 (Joh. Enschede & Zn), 1901, (136. mit 

 Taf.), 29 cm. [H 10]. 



Venturi, AdoHo. Determinazioni di 

 gravita relativa nella regione occidentale 

 della Sicilia. Palermo, .Atti Ace, (.Ser. 3), 

 6, 1901, (1-52). 



