Napier's Bones

Mathematics

1690

A stchoty, Russian abacus.

Mathematics

1901-1930

Slide rule by Robert Bissaker

Mathematics

1654

The Ready Reckoner' book of tables, c 1826.

Mathematics

c.1826

Replica of Pascal's calculator

Mathematics

1926

Drawing instruments by Charles Whitwell

Mathematics

1593-1610

Felt and Tarrant Comptometer, 1887.

Mathematics

c. 1900

Napier's bones or rods

Mathematics

1671-1700

Multo calculating machine made by Addo

Mathematics

1955-1965

Morland's calculating machine

Mathematics

1666-1680

Calculating machine (arithmometer), Paris, France, 1880-1900

Mathematics

1880-1900

Stanhope square demonstrator, c.1805.

Mathematics

c.1805

Geometrical Groin Vault, string surface model

Mathematics

1872

Brunsviga calculating machine

Mathematics

1931-1939

Pair of seventeenth-century dividers

Mathematics

1600-1699

Square signed "J.Ramsden, 1757"

Mathematics

1757

Compendium rule signed Humfrey Cole

Mathematics

1574

Sector by Charles Whitwell

Mathematics

1600-11

Gunter sector signed Elias Allen

Mathematics

1623

Ready reckoner for ship's cargoes

Mathematics

1807

`Polygraphic papers' coder/de-coder

Mathematics

Burroughs Class 5 hand operated mechanical adding machine with ten registers

Mathematics

1920-1925

Drawing instrument set

Mathematics

c1890

Washington calculator for problems of reinforced concrete

Mathematics

12 inch architectonic sector in ivory and silver

Mathematics

1733-1795

Thales manual barrel calculating machine

Mathematics

1950-1960

Double surface of revolution of constant negative curvature

Mathematics

1910

Kelvin's harmonic analyser

Mathematics

1878

Pack of four rolls quilted toilet paper with Penrose tiling

Mathematics

1997

Ready reckoner

Mathematics

1990

Samuel Morland's calculating machine

Mathematics

1666-1695

Sector signed John Allen

Mathematics

1630-1642

Klein bottle, 1995.

Mathematics

1995

Silver sector signed by Culpeper

Mathematics

1700-1737

Slide rule for exchange of weights and measures

Mathematics

1815

Burroughs hand operated adding and listing machine

Mathematics

1917

Calculating rule by Lenoir in centimetres with conversions

Mathematics

1800-1825

Multo Brunsviga type barrel calculating machine

Mathematics

1950-1960

Muldivo 'Mentor' calculator model WSR, 160 c1955.

Mathematics

c. 1955

Comptometer by Felt and Tarrant Mfg. Co. Chicago

Mathematics

1915-1920

Revolution of constant negative curvature

Mathematics

1910

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

Mathematics

Burroughs Class 4 1000 hand operated adding and listing machine with keyboard for Sterling currency

Mathematics

1925-1935

Comptometer, manual operation

Mathematics

1930-1940

Addac adding machine

Mathematics

1926

Burroughs hand operated adding and listing machine

Mathematics

1913

Navigational Computor Mark III

Mathematics

Architect's drawing instruments

Mathematics

Special metal protractor for machine for finding the roots of cubic equations

Mathematics

Early model wooden-case comptometer by Felt and Tarrant Manufacturing Co.

Mathematics

1887-1903