Image
Category
Maker
On Display
Object type
Place
Material
Date
Morland's calculating machine

Morland's calculating machine

1666-1680

'Addiator' calculating machine, c 1924.

'Addiator' calculating machine, c 1924.

1924

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

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

1900-1920

Brical British calculator

Brical British calculator

1900-1909

Webb's "Adder", patented 1889, with cover

Webb's "Adder", patented 1889, with cover

1889-1900

GEM calculator, 1890.

GEM calculator, 1890.

1890-1900

"Addiator" calculator with stylus and pencil

"Addiator" calculator with stylus and pencil

1924

Addiator, stylus-operated calculator for adding and subtracting sterling currency

Addiator, stylus-operated calculator for adding and subtracting sterling currency

1955-1965

"Quantotar Addiator" calculator for addition and substraction of British Weights

"Quantotar Addiator" calculator for addition and substraction of British Weights

1924

Stima adding machine with automatic tens carry

Stima adding machine with automatic tens carry

circa 1930

Adding machine, fitted box, stylus and instructions

Adding machine, fitted box, stylus and instructions

circa 1910

Golden Gem stylus-operated adding machine

Golden Gem stylus-operated adding machine

1904-1910

Exactus stylus-operated adding and subtracting device

Exactus stylus-operated adding and subtracting device

1930-1950

Troncet's 'Totalisateur', with pencil stylus and case

Troncet's 'Totalisateur', with pencil stylus and case

circa 1895

"Comptator" in case: complete with stylus

"Comptator" in case: complete with stylus

1920s

Troncet's "Totalisateur"

Troncet's "Totalisateur"

Cardboard case for Troncet's "Totalisateur"

Cardboard case for Troncet's "Totalisateur"

Adding machine with stylus and instructions

Adding machine with stylus and instructions

circa 1900

Addometer adding machine with 8 stylus-operated dials

Addometer adding machine with 8 stylus-operated dials

1900-1920

Lid for Webb's "Adder"

Lid for Webb's "Adder"

1889-1900

Addimult, Sumax-E stylus operated adding and subtracting device.

'Addimult', Sumax-E stylus operated adding and subtracting device

1955-1965

Addimult, Sumax-E stylus operated adding and subtracting device with case.

Addimult, Sumax-E stylus operated adding and subtracting device with case.

1955-1965

Kingson Pocket Calculator with stylus (see note field).

Kingson Pocket Calculator with stylus

Troncet's arithmograph

Troncet's arithmograph

"Adder", adding machine patented 1889

"Adder", adding machine patented 1889

1889-1900