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Karen Dykes
Date Uploaded
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2021-12-08
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passed on August 08, 2024 at 14:06
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Height: 1891
Width: 2375
File Format: tiff (Tagged Image File Format)
File Size: 13491864
Filename: pp_057.tif
Last Modified: 2024-08-09T00:50:39.907Z
Original Checksum: c83dfd376fc6c0e591b427557083ca21
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  • outdoor value he has pasted a Kodak filter #[illegible numbers crossed out] 105R pale red onto the outside of the flash Exposures are f5.6 Met also N.A. Holme whose research is in Ecology of Lamellibranch [bivalve] faunas of mod. [moderately] deep waters. I don't think he has solved the problems of sampling known areas to a known depth. He has an ingenious double scoop dredge that involves a heavy frame but this seems to me to be little better than the grab dredge. Caught the train for London at 4 P.M. + the night train for Edinburgh. July 25 [1958] Edinburgh Arrived this AM [morning] to find the weather rather good. Further notes on Plymouth. They find that a circular dredge with hinged area suspension is good for soft bottom sampling An [illegible word crossed out] anchor dredge digs deepest. Skin diving has already secured a new species of fish - a goby quite common on rocky shore just off Plymouth. Sanded lucite makes an effective separator in aquarium tanks. It is being used to give the illusion of depth, set into openings in rock work. Air pumps have proven very effective in increasing circulation + bottom oxygen in the tanks. Electronically activated flash can be used for top lighting an aquarium tank at the same time as an ordinary flash is used for the photograph. f2 automatic biotar lens. + Bellows extension very useful.
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