1964 SCM Marchant Calculator Vintage Print Ad Toy Soldiers - Etsy
File:Marchant calculator, 1911 - Ridai Museum of Modern Science, Tokyo - DSC07597.JPG - Wikimedia Commons
Marchant Calculating Machine Company - Wikipedia
Marchant
Marchant silent speed model D calculator. one part has a date of February 5 1957. i think its a replacement part and the calculator is older. S/N is 157288 : r/Antiques
Marchant Model 10FA Calculating Machine | National Museum of American History