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SMITHSONIAN MISCELLANEOUS COLLECTIONS 



UTRECHT-DE BILT, NETHERLANDS 



Lat. 52° 6' N. Long. 5° 11' E. H b = 3m 



Means of 8 h 

 700 mm + 



VALENTIA, BRITISH EMPIRE 



Lat. 51° 56' N. Long. 10° 15' W. H„ = 13.7 m 



Means of 7", Greenwich meridian 



700 mm + 



M'ns 58.7 58.4 60.4 59.3 60.5 63.4 61.0 59.7 61.8 58.6 58.3 



MARSEILLE (MARIGNANE), FRANCE 



Lat. 43° 26' N. Long. 5° 12' E. H b =ll m 



Means of J(7 h + 13 h + 18 h ), Greenwich meridian 



700 mm + 



M'ns 64.0 61.7 61.1 58.4 60.5 61.1 61.4 61.4 62.2 61.8 60.9 62.1 



