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Slide rules

 Subject
Subject Source: Art & Architecture Thesaurus
Scope Note: Manually operated calculators generally consisting of a rule and a medial slide, both graduated, usually with logarithmic scales.

Found in 1 Collection or Record:

Miller J. Tonkel papers

 Collection — Multiple Containers
Identifier: MSA 15
Abstract Photographs, certificates, and artifacts documenting Miller J. Tonkel’s time at Purdue University in the early 1940s.
Dates: 1939 - 1997; Majority of material found within 1939 - 1942