558 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 79 j 1 



UTRECHT— DE BILT, NETHERLANDS 



Lat. 52° 6' N. Long. 5° 11' E. H,, = 3.0 m. 

 PRESSURE AT SEA LEVEL: COR. TO 0° C. AND TO GRAV. AT 45° LAT. 



Means of 8" 

 700 mm. + 

 (Continued) 



