Research Catalog

Report on the perception of subterranean sounds and the plotting of subterranean work by sound

Title
  1. Report on the perception of subterranean sounds and the plotting of subterranean work by sound / translated and edited at the Army War College.
Published by
  1. Washington : G.P.O., 1917.

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Details

Additional authors
  1. Army War College (U.S.)
Description
  1. 59 p. : ill.; 19 cm.
Subject
  1. Directional hearing
  2. Sound > Equipment and supplies
  3. Earth (Planet) > Acoustic properties
Call number
  1. JSC 86-4
Note
  1. "August, 1917."
  2. Cover title.
  3. Translation of a French official document.
  4. At head of title: Confidential!: for official use only ; not to be taken into front-line trenches.
Title
  1. Report on the perception of subterranean sounds and the plotting of subterranean work by sound / translated and edited at the Army War College.
Imprint
  1. Washington : G.P.O., 1917.
Added author
  1. Army War College (U.S.)
Research call number
  1. JSC 86-4
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