Antique 1920 Burroughs Adding Machine Arithmometer Calculator Computer USA 192

Antique Burroughs Portable Adding Machine, 6 Column. This piece of industrial machinery dates back to the 1920s, approximately 1925, and is a classic example of early American arithmometer technology. It features a unique key layout with alternating black and cream-colored buttons, and a crank handle for operation. The machine is branded "Burroughs Portable" on the front. While its working condition is unknown it shows considerable vintage wear, including dust, rust, and surface patina, adding to its authentic industrial aesthetic. This calculator is a rare find for collectors of vintage office equipment and computing history.