| Skipp, L.; 1968 Red Book; 1968 | 1968 Red Book | 1968-00-00 | V. W. SCULLY | Chief Engineer |
| Skipp, L.; 1969 Red Book; 1969 | 1969 Red Book | 1969-00-00 | V. W. SCULLY | Chief Engineer |
| Skipp, L.; 1970 Red Book; 1970 | 1970 Red Book | 1970-00-00 | V. W. SCULLY | Chief Engineer |
| Skipp, L.; 1971 Red Book; 1971 | 1971 Red Book | 1971-00-00 | V. W. SCULLY | Chief Engineer |
| Skipp, L.; 1972 Red Book; 1972 | 1972 Red Book | 1972-00-00 | SIR DENYS LOWSON | Chief Engineer |
| Skipp, L.; 1973 Red Book; 1973 | 1973 Red Book | 1973-00-00 | SIR DENYS LOWSON | Chief Engineer |
| Skipp, L.; 1974 Red Book; 1974 | 1974 Red Book | 1974-00-00 | ALGOCEN | Chief Engineer |
| Skipp, L.; 1975 Red Book; 1975 | 1975 Red Book | 1975-00-00 | ALGOCEN | Chief Engineer |