Rudimentary Counting Machine With Moving Beads
This page is the CodyCross answer for the clue below from London, Group 496, Puzzle 1 (Churchill Arms).
Question is: Rudimentary Counting Machine With Moving Beads
and the answer is: ABACUS
Word Meaning:
ABACUS — (historical, obsolete) A table or tray scattered with sand which was used for calculating or drawing.
Definitions from Wiktionary.