Autobalance precision bridge type B331 Mk II
1966-1979
Bognor Regis
Electronic foetal monitoring system, United Kingdom, 1980
1980
Ultrasonic foetal heart monitor
1973-1978
Foetal monitor model D205M modified for gallery use
1977
Dutton Reading lodge caravan
Precision ratio comparison bridge type VLF51A
1976-1985