Napier's Bones, c.1690.

Mathematics

c. 1690

A stchoty, Russian abacus.

Mathematics

1901-1930

National 3000 automatic bookkeeping calculating machine

Mathematics

1935-1945

Musical transposition calculator, in circular slide-rule format

Mathematics

1820

Geometrical Groin Vault, string surface model

Mathematics

1872

Morland's calculating machine, engraved "Samuel Morland, Inventor, 1666"

Mathematics

1666-1680

Diene's multi-base arithmetic blocks, 1960-1965.

Mathematics

1960-1965

Slide rule by Robert Bissaker

Mathematics

1654

Napier's bones

Mathematics

1671-1700

British Thornton Slide Rule

Mathematics

1967-1975

Pack of four rolls quilted toilet paper with Penrose tiling

Mathematics

1997

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

Mathematics

1880-1900

Set of architect's drawing instruments by various

Mathematics

Felt and Tarrant Comptometer, 1887.

Mathematics

c. 1900

Stanhope square demonstrator, c.1805.

Mathematics

c.1805

Drawing instruments by Charles Whitwell

Mathematics

1593-1610

Gunter sector signed Elias Allen

Mathematics

1623

Klein bottle, 1995.

Mathematics

1995

Replica of Pascal's calculator

Mathematics

1926

Burroughs Class 4 1000 hand operated adding and listing machine

Mathematics

1925-1935

Burroughs Class 5 hand operated mechanical adding

Mathematics

1920-1925

Samuel Morland's calculating machine

Mathematics

1666-1695

Pair of seventeenth-century dividers

Mathematics

1600-1699

Single surface of revolution of constant negative

Mathematics

1910

Multo calculating machine made by Addo, Malmo, Swe

Mathematics

1955-1965

Compendium rule signed Humfrey Cole

Mathematics

1574

Ready reckoner

Mathematics

1990

Sector signed John Allen

Mathematics

1630-1642

Silver sector signed by Culpeper

Mathematics

1700-1737

Muldivo 'Mentor' calculator model WSR, 160 c1955.

Mathematics

c. 1955

Burroughs hand operated adding and listing machine

Mathematics

1913

Thales manual barrel calculating machine, model DE

Mathematics

1950-1960

Double surface of revolution of constant negative

Mathematics

1910

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

Mathematics

Brunsviga calculating machine

Mathematics

1931-1939

Square signed "J.Ramsden, 1757"

Mathematics

1757

Sector by Charles Whitwell

Mathematics

1600-11

Ready reckoner for ship's cargoes

Mathematics

1807

Slide rule for exchange of weights and measures

Mathematics

1815

`Polygraphic papers' coder/de-coder by D'Montfort.

Mathematics

Addac adding machine, marked for American currency

Mathematics

1926

12 inch architectonic sector in ivory and silver,

Mathematics

1733-1795

Cylindrical form of Napier's bones

Mathematics

c. 1700

Spirograph and examples of patterns drawn using it

Mathematics

1886

Comptometer, manual operation, sterling keyboard w

Mathematics

1930-1940

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

Drawing instrument set

Mathematics

c1890

Washington calculator for problems of reinforced concrete

Mathematics