Napier's Bones

Mathematics

1690

A stchoty, Russian abacus.

Mathematics

1901-1930

The Ready Reckoner' book of tables, c 1826.

Mathematics

c.1826

Slide rule by Robert Bissaker

Mathematics

1654

Geometrical Groin Vault, string surface model

Mathematics

1872

Replica of Pascal's calculator

Mathematics

1926

Stanhope square demonstrator, c.1805.

Mathematics

c.1805

Napier's bones or rods

Mathematics

1671-1700

Cylindrical form of Napier's bones

Mathematics

c. 1700

Morland's calculating machine

Mathematics

1666-1680

Multo calculating machine made by Addo

Mathematics

1955-1965

Felt and Tarrant Comptometer, 1887.

Mathematics

c. 1900

Drawing instruments by Charles Whitwell

Mathematics

1593-1610

Washington calculator for problems of reinforced concrete

Mathematics

Slide rule for exchange of weights and measures

Mathematics

1815

Spirograph and examples of patterns drawn using it

Mathematics

1886

Muldivo 'Mentor' calculator model WSR, 160 c1955.

Mathematics

c. 1955

Double surface of revolution of constant negative

Mathematics

1910

Kelvin's harmonic analyser

Mathematics

1878

Compendium rule signed Humfrey Cole

Mathematics

1574

Pack of four rolls quilted toilet paper with Penrose tiling

Mathematics

1997

Gunter sector signed Elias Allen

Mathematics

1623

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

Mathematics

Drawing instrument set

Mathematics

c1890

Klein bottle, 1995.

Mathematics

1995

Brunsviga calculating machine

Mathematics

1931-1939

Square signed "J.Ramsden, 1757"

Mathematics

1757

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

Mathematics

1880-1900

Pair of seventeenth-century dividers

Mathematics

1600-1699

Set of architect's drawing instruments by various

Mathematics

Ready reckoner

Mathematics

1990

Sector signed John Allen

Mathematics

1630-1642

Sector by Charles Whitwell

Mathematics

1600-11

Samuel Morland's calculating machine

Mathematics

1666-1695

Ready reckoner for ship's cargoes

Mathematics

1807

Silver sector signed by Culpeper

Mathematics

1700-1737

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

Mathematics

1925-1935

Addac adding machine

Mathematics

1926

Navigational Computor Mark III

Mathematics

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

Mathematics

Burroughs hand operated adding and listing machine

Mathematics

1917

Comptometer, manual operation

Mathematics

1930-1940

Calculating rule by Lenoir in centimetres with conversions

Mathematics

1800-1825

Burroughs Class 5 hand operated mechanical adding machine with ten registers

Mathematics

1920-1925

Multo Brunsviga type barrel calculating machine

Mathematics

1950-1960

Comptometer by Felt and Tarrant Mfg. Co. Chicago

Mathematics

1915-1920

Burroughs hand operated adding and listing machine

Mathematics

1913

Single surface of revolution of constant negative

Mathematics

1910

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