Underwood Sundstrand manual adding machine by Underwood Corporation, U.S.A. Trusted by accountants, banks, retailers, and offices before electronic calculators, its design helped popularize today's standard 10-key keypad on calculators, cash registers, and computer keyboards.
Black with cream keys: hand crank, paper tape printer, place indicator window, original Total, Non Add, Repeat, Correction keys. Rear marks identify Underwood Sundstrand/U.S.A.; original fitted protective cover included.
Collectible for durability, precision engineering, historical importance, industrial design, and nostalgic appeal. For offices, libraries, accounting firms, vintage technology, antique office/business machine collections, or mid-century industrial décor. Recalls mechanical ingenuity behind modern computing/accounting. Review photos for cosmetic condition/appearance. Functional testing beyond basic inspection has not been performed.
Discovered by Treasures Of Bako – Have We Got A Gem For You?!
Black with cream keys: hand crank, paper tape printer, place indicator window, original Total, Non Add, Repeat, Correction keys. Rear marks identify Underwood Sundstrand/U.S.A.; original fitted protective cover included.
Collectible for durability, precision engineering, historical importance, industrial design, and nostalgic appeal. For offices, libraries, accounting firms, vintage technology, antique office/business machine collections, or mid-century industrial décor. Recalls mechanical ingenuity behind modern computing/accounting. Review photos for cosmetic condition/appearance. Functional testing beyond basic inspection has not been performed.
Discovered by Treasures Of Bako – Have We Got A Gem For You?!
