Abstract
A bottom-sampler is described for use under open-sea conditions, particularly where the bottom is of sand or coarser material. It takes a sample of 1/20m.2 area of semicircular cross-section and maximum depth 15 cm. There is probably little loss of material while hauling and no danger of the apparatus losing soil through being wedged open by shell fragments, etc. The instrument weighs over 45 kg. and is weighted to n o kg. in use.
Keywords

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