Old Calculator Web Museum Advertising Archive
Early Friden EC-130 Marketing Brochure - Page 3
This vertically-folding brochure appears to be one of the earliest marketing
brochures announcing the
Sincere thanks to the sons of Clifford Rueff(Eugene, Christopher, and Roger Rueff) for donation of this document, and a large
collection of early Friden calculator materials to the Old Calculator Museum.