History of Calculators » Ramon de Verea Calculating Machines

Ramón Silvestre Verea (1833~1899)

In 1878 Ramón Silvestre Verea García, a Spaniard living in New York, patented a direct-multiplying machine. Verea received a U.S. patent No 207918 for the machine. He manufactured two prototypes, one of them sent together with the patent application to the US Patent Office and another one was exposed and won a medal of theWorld Inventions Exhibition in Matanzas, Cuba.

RAMON VEREA Adding Machine

Updated On: 13.03.15

Leave your message, comment or feedback:
Your Name (shown) & Your E-mail (hidden) is used only to alert you when someone reply your message.