Keywords: FMIB 37681 Barrel equipped for developing oyster embryos in the shell stage.jpeg check categories 18 September 2015 3 Barrel equipped for developing oyster embryos in the shell stage a Fine stream for supplying salt water and circulation in the barrel; b salt water containing embryos; c 2-inch layer of fine sand; d filtros block; e drain pipe with control valve Subject Fish hatcheries--Equipment and supplies Oyster culture--Equipment and supplies Tag Shellfish 1924 Cite book Experiments in the Artificial Propagation of Oysters Report of the United States Commissioner of Fisheries for the Fiscal Year 1923 with Appendices Prytherch Herbert F Washington DC Government Printing Office 1924 Fig 6 Herbert F Prytherch PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 37681 Images from the Freshwater and Marine Image Bank to check Herbert F Prytherch Fishing equipment Oyster culture |