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- Beginner's Slide Rule 4058W with Case Used by Victor Wouk, circa 1939. On Loan Courtesy of the Institute Archives, California Institute of Technology. - Victor Wouk used this slide rule in the 1930s and 1940s. Wouk became an electrical engineer and in the 1970s created a gasoline-electric hybrid vehicle. Wouk advocated the hybrid concept and inspired other engineers to further hybrid development.

- circa 1939
- Collections - Artifact
Beginner's Slide Rule 4058W with Case Used by Victor Wouk, circa 1939. On Loan Courtesy of the Institute Archives, California Institute of Technology.
Victor Wouk used this slide rule in the 1930s and 1940s. Wouk became an electrical engineer and in the 1970s created a gasoline-electric hybrid vehicle. Wouk advocated the hybrid concept and inspired other engineers to further hybrid development.