. The Earth beneath the sea : History . * Fig. 2. The barium titanate pressure-sensitive element and part of tlie preamplifier of the hydrophone used below sono-radio buoys. Scale in inches.

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Size: 1697px × 2946px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookcollectionbiodivers, booksubjectoceanbottom