Author: WASHINGTON (OOIUMT3IA)

Description

WASHINGTON (OOIUMT3IA). Oarneg.eInstiut.ion of Wãton. Departmto Researches o. the Departznt of Terrestrial Maznetism, . tOontinued.) 6. Land magnetic and electrical observations, 1918—1926. ManeUo resu1t, 1921—1926, H. W. Fisk., Magnetic, atiuospherio—eleotric, and auroral results, Maud pdition, 1918— 1925, by- H. U. Sverdrup. 1• [SE1! NEXT CARD.]

Card ID: 281