Braille Model 4081-3 slide rule-2006.011.001 (Q90158687)
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sliding rule made by Keuffel & Esser in collaboration with the American Foundation for the Blind for use by people with vision impairement, donated to the MIT Museum by Elliot Billing
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Braille Model 4081-3 slide rule-2006.011.001 |
sliding rule made by Keuffel & Esser in collaboration with the American Foundation for the Blind for use by people with vision impairement, donated to the MIT Museum by Elliot Billing |
Statements
32 centimetre
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6.3 centimetre
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1.9 centimetre
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Keuffel and Esser Braille slide rule (English)
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Brail 4081-3 (English)
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Braille Model 4081-3 slide rule-2006.011.001
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