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Coolhaas, Beweg. Maan. 251 . 

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— Cours de Mecan. 216. 

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Dietz, Pluies Alsac. 102. 

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— Uranium, Etain. 228. 

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Doberck, Meteor. Obs. China. 

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Dörholt, Kegelschn. Dreieck. 

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Doering, Temper. Republ. 



Argent. 115. 

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— Geom. analit. 242. 

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ü. S. 228. 

 Dupouy, Meteor. Soudan.22. 

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d. Matör. 135. 

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 JEcole Normale. 90. 

 Eder, Chem. Spectrum. 30. 

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 Electrician a. Electr. Engin. 



69. 



Electricidad . 10. 

 Electr icien. 10. 

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 Elettricita. 54. 

 Elion, Diacetylazijnaether. 



166. 251. 

 Elsner, Mikrosk. Atl. 257. 

 Emo, Resist. elettr. Metall. 21 6. 

 Encyclop.Chim.W^Ml.WS). 

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Ergebnisse Beob. meteor. 

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— Meteor. Beob. (Berl.) 199. 

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257. 



Estel, Zeitsinn. 78. 

 Euclid, Geom. (Paul). 251. 



— Opera (Heiberg). 126. 

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— (Rudio). 135. 

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— Astron. elem. 69. 



— Ciel. 251. 



Faifofer, Geom. intuit. 251. 

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 Fearnley, Terrestr. Refract. 

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Fechner, Weber Gesetz. 1 46. 



— Maasbest. Feinheit. 229. 

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69. 1 46. 

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115. 



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257. 



Fleischer, Titrir-Meth. 199. 

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— Ortszeit. 166. 



— Pop. Astron. Mittheil. 21 6. 



— Astron. preuss. Normal- 

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— Astr. Taf. Normalkal. -116. 

 Fortschritte d. Astr. 135. 216. 



— d. Chemie. 177. 



— d. Meteorol. 135. 



— d. Physik (Klein.) 135. 



— d. Physik (phys. Ges.) 

 1 1 6. 257. 



Fouche, Tabl. Astron. 229. 

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 Franke, Koordin. -Ausgleich. 

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Frankland,lnorg. Chem. 242. 

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R. Friedländer & Sohn in Berlin. 



