Excerpt from Annual Report of the Director of the Bureau of Standards to the Secretary of Commerce for the Fiscal Year Ended June 30, 1928 American Gauge Design
Excerpt from Annual Report of the Director of the Bureau of Standards to the Secretary of Commerce, for the Fiscal Year Ended June 30, 1926 Dear mr. Secretary:
Excerpt from Annual Report of the Director of the Bureau of Standards to the Secretary of Commerce: For the Fiscal Year Ended June 30, 1929 Numbers of test item
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