hidden shores, 1
edge at page 565 (rotated 90ºCW, top third)
within Edward E. Clement, “The Semi-Automatic Method of Handling Telephone Traffic.” Journal of the American Institute of Electrical Engineers 31:1 (1911) : 553-588
NYPL copy, digitized December 13, 2012
... of empty space or vacuum. There may be some experimental study for determining the disruptive strength of vacuum.
in Discussion to Harris J. Ryan, “Open Atmosphere and Dry Transformer Oil as High-Voltage Insulators,” same volume, pp 1-76 (972)
deserts; littoral; fore-edge littoral; open atmosphere; telephone traffic; vacuum
E. E. Clement; H. J. Ryan