Soundings are Read on a Leadline



TitleSoundings are Read on a Leadline
Date1939-1945
DescriptionColor. Naval training aid providing clear definitions of the different terms used in collecting soundings to measure the water's depth.
Size56 x 71 cm
Source linkhttp://content.libraries.wsu.edu/cdm/singleitem/collection/propaganda/id/250/rec/110