Image
Category
On Display
Object type
Maker
Place of origin
Date

Numeria electrical calculating machine

1955-1965

Monroe calculating machine

1929

Lindstrom Record manual calculating machine

1913

Calculating machine invented by Charles Stanhope in 1777, with mahogany case

1777

Calculating machine invented by Charles Stanhope

1775

Archimedes, Model H, manual calculating machine

1950-1955

Monroe calculating machine miniature model

1930

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

Lagomarsino-Numeria manual calculating machine

1960-1970

Monromatic model electric calculating machine by Monroe Calculating Machine Company Inc., IQ 213 Serial No. 493640

Monromatic model electric calculating machine by Monroe Calculating Machine Company Inc.

1960-1965

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

Monroe calculating machine, miniature model LN 160 X

Miniature Monroe calculating machine

1960-1965

Monroe manual calculating machine, model LN-163, serial no. B206901; with cover; made in Holland and bag

Monroe manual calculating machine

1960-1970

Flying Fish manual calculating machine, model JSY-20, Serial no. 648635 by the Shanghai Calculating & Typewriter MFG Works, c. 1965

Flying Fish manual calculating machine

1965-1970

Diehl electromechanical calculating machine, model VSR 18, serial no. 1263756

Diehl electromechanical calculating machine

1955-1965

Diehl, model V18, electric calculating machine (outer casing removed)

Diehl, model V18

1955-1965

Muldivo electric calculator with separate multiplication keyboard

Muldivo electric calculator

1935-1950

Stripped model of a "Curta" pocket calculating machine with cylindrical metal case

Stripped model of a "Curta" pocket calculating machine with cylindrical metal case

1950-1951

Monroe 88N-213 full keyboard electric desktop calculator, with power lead

Monroe 88N-213 full keyboard electric desktop calculator

1950-1965