ZXNQ Calculator, Old fashioned Hand crank Desktop Calculators with 13 Digit, 1940 Decorations Collection gift, Can be used normally
Original Odhner - Sweden 1940 - Black Antique Mechanical Pinwheel Calculator
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If someone travelled back in time to the 1940s and brought a cheap 4 function calculator with them, how much would it be worth? - Quora
Vintage Victor 1940 10 key Bakelite Calculator | eBay
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Original German WWII Luftwaffe Flight Navigational Calculator Dated 1940