Empire of the Sum pt.3 May 20, 2024 Todays blog is more Empire of the Sum, enjoy! Replica of Wilhelm Schickard’s Calculating Clock Modern replica of Pascaline Sir Samuel Morland’s adding machine and Cyclologica Charles Xavier Thomas’s Arithmometer Arithmometer made around 1860 The Curta Type 1 Picture of Katherine Johnson at her desk on her Monroe mechanical calculator in 1962 A Telegraph Relay made by Western Electric Company 1903 Binary Code Table by Gottfried Leibniz Harvard Mark 1 also know as The Automatic Sequence Controlled Calculator