. The Earth beneath the sea : History . DIRECT ARRIVAL BOTTOM REFLECTION SECOND BOTTOM SU8-B0TT0M REFLECTIONS Fig. 5. Dual-channel recording made in Vineyard SoLind, Massachvisetts. Channel 1, filtered 2400 c/s high-pass; channel 2, filtered 75-600 c/s band-pass.

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Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
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Keywords: ., bookcentury1900, bookcollectionbiodivers, booksubjectoceanbottom