International Standards for Optics: A Progress Report
United States involvement in international standards for optics began shortly after WWII, when MIL-Standards were called out on drawings for U.S. military optics. One of the first and certainly the most talked about is MIL-O-38380, Optical Components for Fire Control Instruments, otherwise known as the "Scratch and Dig'' spec. This document was first issued in December 1954 and revised once in September 1963.
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