Empire of the Sum pt.3

Todays blog is more Empire of the Sum, enjoy!

1957 replica of wilhelm schickard's calculating clock, rechenuhr, empire of the sum

Replica of Wilhelm Schickard’s Calculating Clock

pascaline, modern replica, empire of the sum

Modern replica of Pascaline

empire of the sum, sir samuel morland's adding machine, cyclologica

Sir Samuel Morland’s adding machine and Cyclologica

1862 drawing of the internals of arithmometer, charles xavier thomas arithmometer

Charles Xavier Thomas’s Arithmometer

empire of the sum, arithmometer, charles xavier thamos

Arithmometer made around 1860

the curta type 1, curta mechanical pocket calculator

The Curta Type 1

empire of the sum, picture of katherine johnson, monroe mechanical calculator

Picture of Katherine Johnson at her desk on her Monroe mechanical calculator in 1962

western electric company telegraph relay, telegraph relay, empire of the sum

A Telegraph Relay made by Western Electric Company 1903

binary table, gottfried leibniz, boolean logic, empire of the sum

Binary Code Table by Gottfried Leibniz

harvard mark 1, automatic sequence controlled calculator, empire of the sum, harvard computation laboratory, empire of the sum

Harvard Mark 1 also know as The Automatic Sequence Controlled Calculator