Keywords: FMIB 38294 Finishing room, where the blanks are converted into buttons by automatic facing and drilling machines.jpeg check categories 26 August 2015 2 Finishing room where the blanks are converted into buttons by automatic facing and drilling machines Subject Pearl button industry--Equipment and supplies 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 XXXIX-2 Creator Robert Ervin Coker PD-UWASH-FMIB Institution University of Washington FMIB-source accession number 38294 Images from the Freshwater and Marine Image Bank to check Robert Ervin Coker Shell buttons |