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Manual: The Log Log Duplex Slide Rule. A Self Teaching Manual... Breckenridge. K&E, NY & Hoboken, [copyright 1926]
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The Log Log Duplex Slide Rule. A Self Teaching Manual with tables of settings, equivalents and guage points. By William E. Breckenridge. Published by Keuffel & Esser Co., New York & Hoboken, N.J., [copyright 1926], issued date circa 1920s.
Booklet, 5-5/16" x 7-7/8" high, pp [ii], 138, [2].
More specific date of issue to be determined.
2010.023.0009
2010.023
Otnes, Dr. Robert K.
Gift
Gift of Dr. Robert K. Otnes
1926 - 1930
Date(s) Created: 1926 Date(s): 1926-1930 Edition: 38th Publisher: Kueffel & Esser Place Published: New York
Good
Notes: Copyright date and issue date are not necessarily the same. Status: OK Status By: dw Status Date: 2010-05-11
