Slide rule by Robert Bissaker

Mathematics

1654

Compendium rule signed Humfrey Cole

Mathematics

1574

Slide rule for exchange of weights and measures

Mathematics

1815

Calculating rule by Lenoir in centimetres with conversions

Mathematics

1800-1825

Slide rule, "System Rietz", by Sun Hemmi, Japan

Mathematics

Slide Rule

Mathematics

1960-1965

Slide rule

Mathematics

Slide Rule

Mathematics

1900-1940

Slide rule

Mathematics

1800-1860

Slide Rule

Mathematics

1885-1895

Slide rule

Mathematics

1810-1820

Slide rule

Mathematics

Slide rule

Mathematics

Ivory rule

Mathematics

Slide rule

Mathematics

Folding rule

Mathematics

1875-1885

Folding rule

Mathematics

1885-1895

Parallel rule in bakelite signed `Lund's Rule

Mathematics

1922-1927

Parallel rule

Mathematics

1876

Folding Rule

Mathematics

1885-1895

Slide Rule

Mathematics

1903-1920

Parallel Rule

Mathematics

1820-1830

Fathom Rule

Mathematics

1880-1900

Parallel rule

Mathematics

1731-1770

Slide rule

Mathematics

1800-1805

Slide rule

Mathematics

Architectural rule

Mathematics

1720-1753

Military rule

Mathematics

Slide rule

Mathematics

1791-1859

Steel Rule

Mathematics

1900-1948

Carpenter's slide rule

Mathematics

1861-1910

Parallel rule

Mathematics

1876

Folding Rule

Mathematics

1905-1945

Folding Rule

Mathematics

1910

Donkin slide rule; wood

Mathematics

Brass rule

Mathematics

1600-1610

Slide rule

Mathematics

1949

Folding Rule

Mathematics

1915-1925

Slide rule

Mathematics

Globetrotter slide rule, 1960s

Mathematics

1960s

Parallel rule

Mathematics

1876

Parallel rule

Mathematics

1876

steel rule

Mathematics

1900

Slide rule

Mathematics

Slide rule

Mathematics

1960-1970

Ivory gunners' rule

Mathematics

1800-1850

Logarithmic slide rule

Mathematics

PIC Slide Rule

Mathematics

1955

Casartelli Slide Rule

Mathematics

1865-1875

British Thornton Slide Rule

Mathematics

1967-1975