The Carnegie Institution of Washington . Standardizing Magnetic Observatory. The necessity for permanent quarters for observational andlaboratory facilities having become apparent, a site was purchased inthe District of Columbia, near the National Rock Creek Park, andsufficiently removed from industrial disturbing influences. Here waserected a commodious fireproof building containing the Directorsheadquarters and rooms for the staff, library and archives, physicallaboratory, instrument shop, etc. At a proper distance from themain building is located a one-story standardizing magnetic observa-t
The Carnegie Institution of Washington . Standardizing Magnetic Observatory. The necessity for permanent quarters for observational andlaboratory facilities having become apparent, a site was purchased inthe District of Columbia, near the National Rock Creek Park, andsufficiently removed from industrial disturbing influences. Here waserected a commodious fireproof building containing the Directorsheadquarters and rooms for the staff, library and archives, physicallaboratory, instrument shop, etc. At a proper distance from themain building is located a one-story standardizing magnetic observa-tory. These buildings were completed in GEOPHYSICAL LABORATORY. Director, Arthur L. Day. Address, Geophysical Laboratory, Upton Street, Washington, D. C. PRESENT INVESTIGATORY STAFF. L. H. T. L. N. Fenner. J. B. C. H. E. Merwin. G. W. Morey. EUGEN POSNJAK. E. S. B. S. Washington. Walter P. D. E. G. Zies. Investigations to determine the modes of formation and thephysical properties of the rocks of the earths crust were begun underthe auspices of the Institution in 1904, when grants were made for
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