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Massachusetts Institute of Technology  /  MIT Museum
Building N51   265 Massachusetts Avenue   Cambridge, MA 02139
Open Daily 10am – 5pm  /  Closed Major Holidays

If the MIT Museum is closed due to snow, there will be a message here.

The Most Important Instrument: Slide Rules and the Making of the Modern World

Micky Mouse slide rule

Today, when the most hip among us clip mobile devices to our belts and stuff Blue Tooth® buds in our ears, is a mahogany slide rule in a leather holster case retro chic or just dull?

 

At MIT a lot of people (of a certain age!) love their slipsticks. In fact, the slide rule is still the iconic, archetypal instrument of engineers even if most use calculators or computers to do their work today.

There was a time however, when either you knew how to use it or you didn’t. If you did, you could make things bigger, faster, stronger. You could make things that had never existed before. Look around you. If the things you see (and many you don't) were designed before the mid-1970s, then it is almost guaranteed someone used a slide rule to design them. Simply put, the slide rule is one of the most important technological instruments of the 20th century that has never been studied, written about or presented in any significant manner to a general audience.

For the first time, the MIT Museum will put on exhibition the Keuffel & Esser Company Slide Rule Collection, one of the world's finest, encompassing everything from the Beatley I-Q rule (used by New York City school psychologists) and braille rule (used by an engineer who lost his sight in World War II) to the most classic engineering rules of all time. You don't have to know a single thing about trigonometry or calculus to appreciate the ingenious design of these instruments, and how important they have been to history. And of course, if you do know a thing or two about how to use a slide rule, we imagine you will still be surprised and fascinated by the variety and purposes of the slide rules on display.

Credits: The MIT Museum gratefully acknowledges the family and friends of Alfred E. Busch for their generous donations in support of this exhibition. Additional support has been provided by The Oughtred Society, which is dedicated to the preservation and history of slide rules and other calculating instruments.

Learn more:

MIT MUSEUM   Building N51   265 Massachusetts Avenue   Cambridge, MA 02139
P: 617.253.5927   F: 617.253.8994   museuminfo@mit.edu
Copyright © 2008 Massachusetts Institute of Technology

Massachusetts Institute of Technology   Arts at MIT

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Slide Rules
InteliCoat Technologies' 2004 gift
of the Keuffel & Esser Company slide rule collection inspired this exhibition.

Learn more about the artifacts on display:

Wall Display
Wall Case Display

K&E Collection
K&E Collection Display