Excerpt from Annual Report of the Director of the Bureau of Standards to the Secretary of Commerce for the Fiscal Year Ended June 30, 1930 American Gage 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, 1932 Testing. - Table 1 gi
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: