Collectors Weekly Hall of Fame Saluting Great Collections
Slide Rule Museum

Slide Rule Museum

Mike Konshak's amazing antique slide rule reference site 'dedicated to students and engineers of the past and present.' Includes extraordinarily detailed glossary, PDF library, timelines, usage instructions, and photo/specification galleries browsable by style and brand.

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Calculating the Quality of Vintage Slide Rules

Calculating the Quality of Vintage Slide Rules

In this interview Mike Konshak talks about collecting vintage slide rules, and their history and uses. Based in Louisville, Colorado, Mike can be reached via his website, Slide Rule Museum, which is a member of our Hall of Fame.  Read more »