Beatley I-Q slide rule, one of more than 600 historic slide rules manufactured by Keuffel & Esser the museum received in 2004. The MIT Museum now has one of the best collections of American-made slide rules in the world.
Beatley I-Q slide rule, one of more than 600 historic slide rules manufactured by Keuffel & Esser the museum received in 2004. The MIT Museum now has one of the best collections of American-made slide rules in the world. |
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