The maker of the C-52 is headquartered in what city?
C-52 (cipher machine): The (Hagelin) C-52 and CX-52 were cipher machines manufactured by Crypto AG starting 1951/1952. Crypto AG: Crypto AG is a Swiss company specialising in communications and information security. Crypto AG:  With headquarters in Steinhausen, the company is a long-established manufacturer of encryption machines and a wide variety of cipher devices.
Steinhausen