With thanks
Garvin, 5 months ago
BSA air rifles by John Knibbs
Garvin, 2 weeks ago
Treatise on Spring Air Pistols
Venom Arms Company
FWB Sport article by Mike Richardson
Giffard article by Ian Alcock
The Britannia air rifle by Ian Alcock (article)
Volume 1 Number 2
Volume 1 Number 1