Fluid
Designer David Gammon
Model Fluid
Country of Origin England
Date Of manufacture 1963 – 1973
Versions 3
Note Originally fitted to reference and hydraulic reference turntables
Vestigal
Designer David Gammon
Model Vestigal Arm
Country of Origin Carlow, Ireland
Date Of manufacture 1973 – 1977
Versions 2
Note Fitted to the skeleton turntable as standard
Saturn
Designer David Gammon
Model Saturn Arm
Country of Origin England
Date Of manufacture 1968 – 1973
Versions 2
Note Fitted to the Saturn turntable as standard
Microtracer
Designer David Gammon
Model Microtracer
Country of Origin Carlow, Ireland
Date Of manufacture 1977 – 1981
Versions 2
Note Only compatible with the transcriber turntable