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THROBAC
Major collection: Science & Technology
Object type: calculator
Maker: Shannon, Claude Elwood
Measurements: 12 3/4 in x 7 1/4 in x 10 3/4 in
2007.030.011
Object type: calculator
Maker: Shannon, Claude Elwood
Measurements: 12 3/4 in x 7 1/4 in x 10 3/4 in
THrifty ROman numeral BAckwards-looking Computer: this calculator uses Roman numerals both externally and internally.
2007.030.011
Gift of Mary Elizabeth Shannon on behalf of the family of Claude E. Shannon