Slide rule by Robert Bissaker

Mathematics

1654

Carpenter's slide rule

Mathematics

1861-1910

British Thornton Slide Rule

Mathematics

1967-1975

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

Mathematics

Slide rule for exchange of weights and measures

Mathematics

1815

Slide rule

Mathematics

NASA 136MC Ambiguity Resolver circular slide rule 12-inch

Mathematics

1965-1970

Slide rule

Mathematics

1800-1860

Ullage slide rule, 1759-1776.

Mathematics

1759-1776

Slide Rule

Mathematics

1960-1965

Slide rule

Mathematics

Water Flow Slide Rule

Mathematics

1965-1975

Circular slide rule

Mathematics

Thompson's slide rule

Mathematics

1833

Navigation slide rule, c.1800.

Mathematics

1780-1800

Circular slide rule, 1660-1680.

Mathematics

1660-1680

'Musigraph 100', slide rule for music theory

Mathematics

1985

Barnard's Co-ordinate spiral slide rule

Mathematics

1909

Slide rule

Mathematics

Railway slide rule

Mathematics

1928

Slide rule

Mathematics

1960-1970

Slide rule

Mathematics

1800-1805

Slide rule

Mathematics

1810-1820

Circular slide rule and time zone scale

Mathematics

1947

Slide Rule

Mathematics

1903-1920

Slide rule

Mathematics

Slide rule

Mathematics

1791-1859

Casartelli Slide Rule

Mathematics

1865-1875

"Aristocrat" slide rule

Mathematics

1925

Lilly's spiral slide rule

Mathematics

Tarrant Hydraulic Slide Rule

Mathematics

1960-1962

Hannyngton's slide rule

Mathematics

Donkin slide rule; wood

Mathematics

Slide rule

Mathematics

1949

Slide Rule

Mathematics

1900-1940

Slide Rule

Mathematics

1885-1895

Slide rule

Mathematics

Slide rule

Mathematics

Slide rule

Mathematics

Naval slide rule

Mathematics

Thornton model 121 slide rule

Mathematics

1960-1966

Slide rule for interest calculations

Mathematics

1824

Improved Hawthorn slide rule

Mathematics

Temperature slide rule

Mathematics

1830-1840

Lalanne's slide rule

Mathematics

Aristo-Scholar, 0903-VS slide rule

Mathematics

1970-1975

Globetrotter slide rule, 1960s

Mathematics

1960s

Circular slide rule, c 1870.

Mathematics

1870-1875

PIC slide rule

Mathematics

1950

Slide Rule in ivory "Dicas

Mathematics

1780-1790