Later models in the 1970s were the ELKA 50 and ELKA 1300, which had a similar outward appearance and used vacuum-fluorescent tube displays and relatively expensive but very reliable reed-switch keyboards.
Later models in the 1970s were the ELKA 50 and ELKA 1300, which had a similar outward appearance and used vacuum-fluorescent tube displays and relatively expensive but very reliable reed-switch keyboards.