A.S. Eve, David Keys and J.W. Joyce measure absorption of radio waves

From left to right: Arthur S. Eve, David A. Keys and James W. Joyce measure the absorption of radio waves in rock with instrument in Mammoth Cave, Kentucky., Credit Line: AIP Emilio Segrè Visual Archives
Abstract/Description: From left to right: Arthur S. Eve, David A. Keys and James W. Joyce measure the absorption of radio waves in rock with instrument in Mammoth Cave, Kentucky.
Subject(s): Instruments
Equipment and supplies
Portraits, Group
Mammoth Cave (Ky.)
Keys, D. A. (David Arnold), 1890-1977
Joyce, James Wallace
Eve, A. S. (Arthur Stewart), 1862-1948
Date Created: June 1929
Credit Line: AIP Emilio Segrè Visual Archives
Catalog ID: Keys David D1