Our Range of Electronic calculators start from the early 60’s with the Friden 130 transistorized calculator and the Anita Mk9 which used vacuum tubes, through to the Sinclair sovereign which dates to about 1977. MENUMENUAddo-X 331 Canon Canola 130 Canon Poketronic Commodore 887ND Commodore GL-976M Commodore OEM Deluxe Commodore SR4912 Friden 130 HP 97 HP 9100B IME 26 Olivetti Programma 101 Royal Digital 5-T Sharp Compet 30 Sinclair Cambridge Memory Sinclair Sovereign Sumlock Anita 1011 Sumlock Anita Mk9 Toshiba BC-1611 < Back to Exhibits