Thalassa; an essay on the depth, temperature, and currents of the ocean . or a deptti of 1000 Fms ._ 6 Naut, Miles from the Shore. Fall of 1 Mile in 10 Miles. or a depth of 2 000 Naut. Miles from the Shore Fall of I Mile in 20 Miles Sea Surface

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Keywords: ., bookcentury1800, bookdecade1870, bookidthalassa, booksubjectocean