Keywords: FMIB 38293 Illustrating reasonably careful practice in cutting In endeavoring to cut too closely the shell in lower right-hand corner the.jpeg check categories 26 August 2015 2 Illustrating reasonably careful practice in cutting In endeavoring to cut too closely the shell in lower right-hand corner the saw was destroyed Subject Shells--Industry and trade Pearl button industry Pearl button industry Tag Shellfish 1921 Cite book Fresh-water Mussels and Mussel Industries of the United States Coker Robert E Washington DC Government Printing Office 1921 Bulletin of the United States Bureau of Fisheries vol 36 1917-1918 Plate XLV Creator Robert Ervin Coker PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 38293 Images from the Freshwater and Marine Image Bank to check Robert Ervin Coker Shell buttons |