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Patent:US1157526


Patent:US 1157526
Title:Slide Rule
Date:19.10.1915
Place:Niles, Michigan
Country:USA
Person:Clair. A. Gilson
Company:Gilson Slide Rule Co (P)
Internal Links:Rechenschieber
Keywords:
Link to the patent office:
(without guarantee)
 US1157526 (espacenet),  US1157526 (uspto)


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Aus der Patentschrift US1157526

Henry Alsinger and Ed Chamberlain: "Gilson Slide Rules - Part I - The Small Rules", in Journal of the Oughtred Society Vol. 9, No. 1, Spring 2000