1937 Ad Monroe Adding Calculator Numbers Business Math - ORIGINAL FTT9 AAG1 This is an original 1920

This is an original 1920 halftone print showing how a railroad switch guard device works to prevent accidents from happening on the tracks

NGM3A10C27

Russel Wright

Holcomb Manufacturing Indianapolis

1937 Ad Monroe Adding Calculator Numbers Business Math - ORIGINAL FTT9 AAG1 This is an original 1920This is an original 1937 Great Depression Era black and white print ad for the Monroe Adding Calculator. CONDITION This 74+ year old Item is rated Near Mint Very Fine. Light aging in margins. No creases. No natural defects. No surface rub. No tears. No water damage. Product Type: Original Print Ad; Black White Grade: Near Mint Very Fine Dimensions: Approximately 10. 5 x 13 inches; 27 x 33 cm Authentication: Serial Numbered Certificate of Authenticity