David Gammon
Designer 5
| Title | Function | Dates_produced | |
|---|---|---|---|
 | Hydraulic Reference Turntable | Turntable | 1964 - 1973 |
 | Round Turntable | Turntable | 1975 |
 | Saturn Turntable | Turntable | 1968 - 1973 |
 | Skeleton Turntable | Turntable | 1973 - 1977 |
 | Transcriber Turntable | Turntable | 1977 - 1981 |