Calculator posters & prints

Early Math Calculator with Handle Anonymous

Blaise Pascal Calculating Machine Anonymous

Chinese Abacus Anonymous

Clerk using a Pascal adding machine Anonymous

Part of abacus Anonymous

Israel Abraham Staffel's Calculating Machine Anonymous

Wooden Abacus Anonymous

ENIAC computer, c1944 J Presper Eckert

'Superdigit' mathematical calculator Robert Flower

Pascal's Adding Machine Anonymous

Calculating Machine for Predicting Tides Anonymous

The American Centennial Exhibition, 1876: Outside The Exhibition: The lightning Calculator Anonymous

Difference Engine No. 1, Charles Babbage

Smelling out a rat; or the atheistical-revolutionist disturbed in his midnight calculations Anonymous

Print of a Man at an Electrical Tabulation Machine Anonymous

Illustration of the Difference Engine Anonymous

Using a quadrant with a plumb bob to calculate the height of a tower by triangulation, 1551 Unknown

1960s Business Baby Sitting In Chair Holding Telephone With Calculator Adding Machine File Drawers Looking Back Over Shoulder Anonymous

1960s Smiling Accountant Office Worker Baby Wearing Cloth Diaper Sitting In Chair Using Adding Machine Calculator Anonymous

Using astrolabes to calculate the height of a steeple, 1539 Petrus Apianus

Smelling Out a Rat; or the Atheistical-Revolutionist Disturbed in His Midnight Calculations Anonymous

Caricature of Cambon calculating the ruin of the proprietors, the capitalists and the rentiers French School

View of a Russian Abacus Anonymous

Engineers with slide rules Anonymous

Reiner Gemma Frisius, Dutch astronomer, geographer, cartographer and mathematician, 1539 Unknown

Kepler and Brahe at work together (c1600), c1870 Anonymous

2 students professors mathematicians blackboard studying complex equations Anonymous

Method of laying an artillery piece on target using Gunner's scale, 18th century Unknown

Mental calculation at primary school, 1895 Nikolai Petrovich Bogdanov-Belsky

Cannon breech Benjamin Robins

Short Circuit Calculating Table Anonymous

1960s baby seated in small chair hitting keys on office adding machine on top of small file drawers Anonymous

Experiment to calculate the speed of sound in air, Paris, 1822, (c1880) Robert Brown

1960s two babies wearing diapers in business office with adding machine playing accountant Anonymous

Surveying, early 17th century Unknown

1950s 1960s baby in diaper sticking out tongue holding glasses sitting before adding machine looking at camera Anonymous