Last seen in:
- Thomas Joseph - King Feature Syndicate - Dec 6 2023
- Wall Street Journal - Sep 21 2022 - Business Liquidity
- Wall Street Journal - Aug 6 2022 - Secret Agents
- L.A. Times Daily - Oct 14 2021
- The Washington Post - Oct 14 2021
- New York Times - Jan 3 2021
- The Washington Post - Oct 9 2020
- L.A. Times Daily - Oct 9 2020
- L.A. Times Daily - Apr 19 2020
- The Washington Post - Apr 19 2020
Related Clues:
- Historic 1951 computer
- Chinese calculator
- Tool that's counter-productive?
- Penn's ''Giant Brain''
- Historic mainframe
- Computer of the 1940s
- Old counting-frame
- An old counting frame
- Counting-frame
- Early counting-frame
- Old counting frame
- Old counting frame with beads
- An old counting frame with beads
- Ancient counting frame
- An ancient counting frame with beads