Abstract
No abstract available.
PDF ArticleMore Like This
Proposed American Standard Z38.7.1 for Printing Equipment*
J. Opt. Soc. Am. 31(2) 181-181 (1941)
Proposed American Standard Z38.7.2 for Projection Equipment*
J. Opt. Soc. Am. 31(2) 182-182 (1941)
Proposed American Standard Z38.7.3 for Lantern Slide Projectors*
J. Opt. Soc. Am. 31(2) 183-183 (1941)