Power-Samas Card Punch Unit Model 202/2450

Critical to the first stage of the card punching process, the automatic keypunch aimed to reduce manual operations, simplifying and automating the work of punching. Pictured is a Powers-Samas Model 202/2450 Card Punch Unit from the Powers One Accounting Machine System. In a 1948 Powers-Samas advertisement, the automatic keypunch was referred to as ‘the Rolls Royce of punching machines.’