Draft copies of sections of an oyster purification report [including amendments] re Brightlingsea;
Draft copy of a report on a comparison of purified and unpurified oysters; [Draft] report of an investigation of the keeping and other qualities of purified oysters;
Notes on the procedure during frosty weather at Brightlingsea Oyster Purification Station written by Dr R W Dodgson;
Papers outlining tank capacities and water heating costs for the oyster tanks at Brightlingsea, including comments by RWD and a letter from Mr B Everett [Tank Superintendent at Brightlingsea] to Mr [H P] Sherwood, commenting on various stages of the oyster purification process (25 Nov 1940);
Notes on the daily water requirements for cleaning/hosing tanks [includes BEs figures];
Correspondence between John Fowler, joint clerk of the Brightlingsea and Tendring Shell Fish Committee, and H P Sherwood of Conwy Fisheries Experiment Station, outlining the intention of the Conwy Station to publish a brief account of the inception of the Brightlingsea tanks installation, in connection with a planned publication of experimental work carried out on oyster purification at Conwy by [H Marshall] Webb;
Correspondence between BE and Mr Robinson re the amount of water used and timings used for the rake squirter [diagrams included];
Correspondence between BE and HPS re a query about the specification of heating pipes in H1 and H2 [tanks] and a request for dimensions of some offices and stores [see also Annexation 4, CD3/6/1/4;
List of contents [? to folder or report];
Correspondence between HPS and W Evan Williams re an article on the breeding of oysters [draft attached];
Press cuttings re oyster breeding and purification.
References are made to the work done at the experiment station at Conwy and to RWD and H A Cole.