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Abstract of proceedings of stated meeting held Wednesday, November 14, 1951

โœ Scribed by John Frazer


Publisher
Elsevier Science
Year
1951
Tongue
English
Weight
57 KB
Volume
252
Category
Article
ISSN
0016-0032

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๐Ÿ“œ SIMILAR VOLUMES


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โœ George A. Hoadley ๐Ÿ“‚ Article ๐Ÿ“… 1924 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 101 KB

Additions to membership since last report, 15. The Chairman recognized Dr. James Barnes who, on behalf of the Committee on Science and the Arts, introduced Mr. William F. Zimmermann, of Newark, New Jersey, to whom was awarded the Edward Longstreth Medal for his invention of a hob for cutting worm ge

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โœ R.B. Owens ๐Ÿ“‚ Article ๐Ÿ“… 1915 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 96 KB

presented the paper of the evening, entitled " On the Ruling of Diffraction Gratings." The speaker reviewed the history of the ruling of gratings, and gave an account of the work of Rutherford, Rowland, and others. He pointed out the difficulties eocountered in making gratings of large size and high