Public domain
Eggs weighed to determine their grade. W.A. Dalziel, Deputy Sealer of Weights and Measures of Oregon now attending the national conference on weights and measures in Washington, is shown with some of the special scales which have been developed for weighing individual eggs to determine their grade
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Credit lineEggs weighed to determine their grade. W.A. Dalziel, Deputy Sealer of Weights and Measures of Oregon now attending the national conference on weights and measures in Washington, is shown with some of . 1926. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.