Odra is the name of a series of computers manufactured at Zakłady Elektroniczne Elwro in Wrocław ODRA was a serial computer, that is, executing commands one by one, using a 38-bit word. Possibility of making 500 additions per second. Input/output devices were teletypes, card perforator, and card reader. Let see “a replica of Odra 1305 computer” : https://lnkd.in/dtd7isd One of the last copies of the Oder expired on July 18, 2003, after 29 years of trouble-free operation.