Slide RulesIndex by Makers & Retailers
Hundreds of companies around the world were involved in the production of slide rules from the 18th to the 20th centuries. Click on one of the names below to see the objects in this collection that were associated with that firm.
"Slide Rules - Index by Makers & Retailers" showing 1 items.
- This small, one-sided slide rule is made of wood. It has a white plastic layer on the front of both the base and the slide. The indicator is made from plastic. The base bears A, D, and K scales. The slide bears B, CI, and C scales. The scales are approximately 4-1/8 inches long. The slide is slightly longer than the base. The back of the slide rule is bare boxwood and has no scales.
- The instrument is marked on the slide: MADE IN (/) ENGLAND. It closely resembles the 4-inch Jiffy slide rule made by Unique Slide Rule Company of Brighton, England. Unique sold slide rules from about 1923 to 1975.
- References: Peter M. Hopp, Slide Rules: Their History, Models, and Makers (Mendham, N.J.: Astragal Press, 1999), 229–231; "British Slide Rules," The Slide Rule Museum, http://sliderulemuseum.com/British.htm; David M. Riches, Mathematical Instruments: A Private Collection, http://www.mathsinstruments.me.uk/page14.html; Peter Hopp, Colin Barnes, and John Knott, "Unique Slide Rules," Journal of the Oughtred Society 6, no. 1 (1997): 32–44.
- Currently not on view
- ID Number
- accession number
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- Data Source
- National Museum of American History, Kenneth E. Behring Center