Electric adding machine, 1965
Adding machine by O.E.M. (Office and Electronic Machines Ltd), electrically powered, 1965
Adding machine by O.E.M. (Office and Electronic Machines Ltd), electrically powered with case, plastic cover, instruction leaflet and original invoice, 1965
Adding machine by O.E.M. (Office and Electronic Machines Ltd), electrically powered, 1965
Case for adding machine by O.E.M. (Office and Electronic Machines Ltd), with plastic cover, instruction leaflet and original invoice, 1965