ALBUM

Continuing the documentation of the work with oysters. Again, much of the material is of primarily scientific interest concerning comparisons in oyster growth and quality. Also includes pictures of work in the Menai Straits, where oyster spat from Lympstone, co. Devon was placed in the tanks and later transferred to cages in the sea; view of E tank with a cover to control photosynthesis; Webb's oyster performance recorder; purification racks used as spat collectors; views of the circular tank at Lympstone; photographs from an oyster experiment at Yealm [? co. Devon]; details of equipment used in an experiment at Conwy in 1931 including towers of tiles, various types of collectors, sand filters, use of tanks; fishermen on small boats on the River Conwy; haul of starfish; old fisherman and schoolboy gathering mussels using long-handled rakes.