Reference
Designer: David Gammon
Model: Reference
Country of Origin: England
Date Of manufacture: 1963 – 1964
Hydraulic Reference
Designer: David Gammon
Model: Hydraulic Reference
Country of Origin: England
Date Of manufacture: 1964 – 1973
Saturn
Designer: David Gammon
Model: Saturn
Country of Origin: England/Carlow, Ireland
Date Of manufacture: 1968 – 197
Skeleton
Designer: David Gammon
Model: Skeleton
Country of Origin: Carlow, Ireland
Date Of manufacture: 1973 – 1977
Round
Designer: David Gammon
Model: Round Table
Country of Origin: Carlow, Ireland
Date Of manufacture: 1975
Transcriber
Designer: David Gammon
Model: Transcriber
Country of Origin: Carlow, Ireland
Date Of manufacture: 1977 – 1981