ABACUS

Old counter (6)

Solution has appeared in 4 crosswords (2 across and 2 down):

• Quick crossword No 16,560 — 2023-06-02 23:00:14
  15D: Pre-digital computer (6)
• Quick crossword No 16,398 — 2022-11-26 00:00:11
  4A: Old computer (6)
• Quick crossword No 16,020 — 2021-09-09 23:00:12
  4A: Old calculator (6)
• Quick crossword No 15,575 — 2020-04-07 23:00:01
  16D: Old counter (6)