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Comptometer, manual operation

1930-1940

Stanhope square demonstrator, c.1805.

circa 1805

Burroughs Class 5 hand operated mechanical adding machine with ten registers

1920-1925

Combined graphometer and plummet clinometer, 1663.

1663

A Stchety, Russian Abacus.

1901-1930

Burroughs hand operated adding and listing machine

1917

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

1887-1903

Muldivo 'Mentor' calculator model WSR, 160 c1955.

circa 1955

'Pedoscope' shoe-fitting X-ray viewer

1948-1953

Thales manual barrel calculating machine

1950-1960

Multo Brunsviga type barrel calculating machine

1950-1960

Double surface of revolution of constant negative curvature

1910

Doorcase 56 Lincoln’s Inn Fields

circa 1750

Revolution of constant negative curvature

1910

Washington calculator for problems of reinforced concrete

Navigational Computor Mark III

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

1925-1935

Multo calculating machine made by Addo

1955-1965

Felt and Tarrant Comptometer, 1887.

circa 1900

Comptometer by Felt and Tarrant Mfg. Co. Chicago

1915-1920

`Polygraphic papers' coder/de-coder

Architect's drawing instruments

Multi-purpose photonic chip

2011

Burroughs hand operated adding and listing machine

1913

Infant death rate and income

1926-1928

Set of Interconnecting Cables, for Elliott/NRDC 401 Computer MkI, c. 1953

interconnecting cables

6 side panels for cabinets 1-6, 2 side panels for cabinet 0, and 1 end panels.Detached from main unit. For Elliott/NRDC 401 Computer MkI, c. 1953

side panels

Top Unit - the part of the main unit above the indivdual cabinets, made up of two parts, for Elliott/NRDC 401 Computer MkI, c. 1953

top unit

Brunsviga manual calculator model B 13RM ser.no.16459 by Olympia Werke AG, Wilhelmshaven but made in Spain.

Brunsviga manual calculator model B 13RM ser.no.16459 by Olympia Werke AG

1965-1975

Cabinet No.1, for Elliott/NRDC 401 Computer MkI, c. 1953

Cabinet No.1

Electromechanical calculating machine by Heinrich Diehl GmbH, Nuremberg, model EVM 18, " Archimedes Lizenz", serial no. 18851

Electromechanical calculating machine by Heinrich Diehl GmbH

1955-1965

Base Unit, made up of two parts, for Elliott/NRDC 401 Computer MkI, c. 1953

basine

Cabinet No.5, for Elliott/NRDC 401 Computer MkI, c. 1953

Cabinet No.5

Cabinet No.4, for Elliott/NRDC 401 Computer MkI, c. 1953

Cabinet No.4

Lagomarsino-Numeria manual calculating machine, model 5903, serial no. 072327; made in Italy

Lagomarsino-Numeria manual calculating machine

1960-1970

Boxed set of brass knobbed cylindrical weights for the commercial pound of Riga along with set of 7 nested brass cup weights in case for gold and silver, from the Castleragh Collection for Riga and Reval (Russia).

brass knobbed cylindrical weights

1800-1818

Set of 9 brass nested cup weights for 1 Mark from the Castlereagh Collection for Malaga (Spain).

Nested cup weights

1800-1818

Distended human skull, labelled LN Fowler, for phrenological use, from the British Phrenological Society.

Distended human skull for phrenological use

before 1937

Set 7 flat grain weights from the Castlereagh Collection for Malaga (Spain).

Flat grain weights

1800-1818

Set 4 round flat knobbed weights from the Castlereagh Collection for Malaga (Spain).

Flat knobbed weights

1800-1818

Set of 9 brass nested cup weights for a pound of two marks from the Castlereagh Collection for Maranham (Brasil).

Nested cup weights, brass

1800-1818

Brass knobbed weights for 1 Marco from the Castlereagh Collection for Lisbon (Portugal).

brass knobbed weights

1818

Set of 9 brass flat grain weights and a boxwood case from the Castlereagh Collection for Lisbon (Portugal).

brass flat grain weights

1800-1818

Brass knobbed weights for 1 Arratel (pound) from the Castlereagh Collection for Lisbon (Portugal).

brass knobbed weights

1818

Set of 11 brass nested cup weights equal to 4 Marks from the Castlereagh Collection for Amsterdam (Netherlands).

Nested cup weights, brass

1800-1818

Set of 9 brass nested cup weights for the commercial pound from the Castlereagh Collection for Libau (Russia).

Nested cup weights, brass

1800-1820

Set of 7 octagonal small weights from the Castereagh Collection for Genoa (Italy).

Castlereagh Collection weights

1800-1820

Hooped commercial pound weight for Riga from the Castleragh Collection for Riga and Reval (Russia).

Hooped commercial pound weight for Riga

1800-1818

Set of 7 flat square grain weights from the Castereagh Collection for Genoa (Italy).

Castlereagh Collection weights

1800-1820

Sets of brass nested cup weights without case for 2 Portugese Pound from the Castlereagh Collection for Rio Janeiro (Brazil).

Nested cup weights, brass

1800-1818

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