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Vanderbilt Listening Device Sketch II

A second sketch illustrating the workings of a listening device for estimating submarine depth
Title: Vanderbilt Listening Device Sketch II
Caption: This is the second sketch attached to a memo on improving the effectiveness of depth charge barrages. It illustrates the operation of a listening device from the surface vessel's perspective.
Original Location: Lt. Harold S. Vanderbilt to VAdm. William S. Sims, 13 September 1918, RG 45, Entry 520, Box 339, National Archives, Washington DC
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Document Type
  • Manuscript
Wars & Conflicts
  • World War I 1917-1918
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Location of Archival Materials