Author: WASHINGTON (COr1UMBIA)

Description

Washington (COr1UMBIA). Oarnoie Ins f,itution of Vasiion. partment f Macntisni.. Researches of the Department of Terrestrial 1Iaçnetism, etc. EOontiztu..] 4. Land niagnetic obser’rations, 1914—1920. By L. A. auer, J. A. F’leniing, H. W.i’is, and V. J. Peters, and special reports, eta. 1921. 5. Ocean magnetic and eleot,rio observations, 1915—1921. Magnetic results by J. P. Ault. Atmospheric—electric results by J. P. Ault and S. J. Maucbly, and special reports, eta. 192b. [SEE NEXT CJUID.j

Card ID: 280