Testing the K-Tube for Night Scouting

Lt.(jg) Cleveland V. Byram USNRF was CO of submarine chaser SC 23 during the war, and of submarine chaser SC 69 in 1919. This set of documents describes early post-war testing of the K-Tube listening device.

Scouting, page 1

Scouting, page 2

Scouting, page 3

Thanks to Dennis B. Ford, grandson of Lt. Byram, for submitting the document scans to The Subchaser Archives.