Millionaire Calculating Machine with Stand
4.8 (638) · € 31.00 · En Stock
In 1895, Otto Steiger, a Swiss citizen residing in Munich, obtained a U.S. patent for a calculating machine that would multiply a number by a single digit directly, with only a single turn of a crank. Earlier calculating machines required considerably more effort.
Millionaire Calculator Machine Explained - Everything You Need To Know - History-Computer
Mechanical calculator - Wikipedia
Millionaire mechanical calculator, B161.81A
.jpg?mode=max)
A 'Millionaire' Calculating machine
John Wolff's Web Museum - Millionaire Register
John Wolff's Web Museum - Millionaire Register
John Wolff's Web Museum - Millionaire Register
Millionaire Calculator Machine Explained - Everything You Need To Know - History-Computer
Extremely rare THE MILLIONAIRE CALCULATING MACHINE
the Millionaire Calculating Machine, 1918
Millionaire Calculator Machine Explained - Everything You Need To Know - History-Computer
Millionaire Calculator by Hans W. Egli Auction Number 2763T Lot Number 1194
Watch a 120-year-old 'Millionaire' machine do some astounding calculations - CNET
