Lost machines
5 entries marked lost.
| Name | Years | Status | Class | Manufacturer |
|---|---|---|---|---|
| Zuse Z1 | 1938 | Lost | Early computer | Konrad Zuse |
| Zuse Z3 | 1941–1945 | Lost | Early computer | Konrad Zuse |
| Colossus | 1943–1945 | Lost | Early computer | Tommy Flowers / GPO |
| Manchester Baby | 1948 | Lost | Early computer | Williams & Kilburn / Manchester |
| Manchester Mark 1 | 1949–1950 | Lost | Early computer | Williams & Kilburn / Ferranti |