MIT Museum

Welcome to the archived version of the MIT Museum's online collections portal! This site was used to test features and content for the newly redesigned MIT Museum Collections site, which has now launched with over 106,000 objects. Please use the new MIT Museum Collections site for further research and discovery. Webmuseum.mit.edu remains online during the transition period but will not receive new updates or content.

Keuffel and Esser Mannheim Merchant's Slide Rule with feet and box N4096 20" Linear slide rule