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  • Terms: mathematics
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circular slide rule with Oughtred-type sundial reverse)

circular slide rule with Oughtred-type sundial reverse)

English
1633-1640
quadruple slide rule

quadruple slide rule

William Salmon
1840-1850
Fuller's spiral slide rule

Fuller's spiral slide rule

W. F. Stanley & Company, Ltd.
1893-1894
semi-circular protractor

semi-circular protractor

Edward Nairne
circa 1765
sector with folding square

sector with folding square

Nairne and Blunt
1774-1793
sector with A-level

sector with A-level

Pierre Sautout-Choizy
circa 1740
sector with squadra mobile and divider points

sector with squadra mobile and divider points

Italian
late 16th Century
Barth's speed slide rule for lathes, boring mills, drill presses

Barth's speed slide rule for lathes, boring mills, drill presses

Carl G. Barth
1902
sector

sector

Antoine-Joseph Meurand
1750-1790
gunner's caliper with sector

gunner's caliper with sector

George Adams (I)
circa 1766
sector with folding square

sector with folding square

Gilbert & Sons
1806-1819
sector with Gunter's scale

sector with Gunter's scale

English
circa 1712
/ 26

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