Image
Category
Collection
On Display
Object type
Maker
Place of origin
Date

Addac adding machine

1926

Sector by Bion

1700-1720

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

Pair of seventeenth-century dividers

1600-1699

Calculating rule by Lenoir in centimetres with conversions

1800-1830

Ready reckoner for ship's cargoes

1807

Sector signed John Allen

1630-1642

Compendium rule signed Humfrey Cole

1574

Square signed "J.Ramsden, 1757"

1757

Sector by Charles Whitwell

1600-11

Gunter sector signed Elias Allen

1623

Slide rule for exchange of weights and measures

1815

Spiral slide-rule

1663

Stanhope square demonstrator, c.1805.

circa 1805

Double surface of revolution of constant negative curvature

1910

Muldivo 'Mentor' calculator model WSR, 160 c1955.

circa 1955

Comptometer, manual operation

1930-1940

Arithmometer by Elliott Brothers

1885-1894

Burroughs Class 5 hand operated mechanical adding machine with ten registers

1920-1925

Thales manual barrel calculating machine

1950-1960

Revolution of constant negative curvature

1910

Burroughs hand operated adding and listing machine

1917

Multo Brunsviga type barrel calculating machine

1950-1960

A Stchety, Russian Abacus.

1901-1930

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

1887-1903

Drawing instruments by Charles Whitwell

1593-1610

Silver sector signed by Culpeper

1700-1737

Slide rule by Robert Bissaker

1654

Washington calculator for problems of reinforced concrete

Navigational Computor Mark III

Geometrical Groin Vault, string surface model

1872

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

1925-1935

Cassina LC1 Armchair

2015

Multo calculating machine made by Addo

1955-1965

Ready reckoner

1990

Burroughs hand operated adding and listing machine

1913

Felt and Tarrant Comptometer, 1887.

circa 1900

Comptometer by Felt and Tarrant Mfg. Co. Chicago

1915-1920

Morland's calculating machine

1666-1680

`Polygraphic papers' coder/de-coder

Infant death rate and income

1926-1928

12 inch architectonic sector in ivory and silver

1733-1795

Architect's drawing instruments

Napier's Bones

1690

Selection of 22 mathematical models made of coloured card

1973

Circular slide rule to calculate nuclear bomb effects

1962

Addometer adding machine with eight stylus-operated dials, c 1925.

1900-1920

Burroughs hand operated Class 2 1300 bookkeeping machine with keyboard for Sterling currency

1925-1935

Perspective machine by James Watt

Combined eidograph and geometric drawing instrument patented 1858 by William Wythes and made by Queen & Co.

1858-1880