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Subjects (1-4 of 4)
Mathematical Instruments
1
-- See Also the narrower term Abacus
2
-- See Also the narrower term Calculators
Here are entered works on present-day calculators as well as on calculators and mechanical computers of pre-1945 vintage. Works on modern electronic computers first developed after 1945 are entered under Computers.
3
-- See Also the narrower term Drawing instruments
4
-- See Also the narrower term Slide-rule
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