Canister of 'Neutraphylline' tablets (containing phenobarbital), some tablets remaining. height 19 mm; width 78 mm; depth 19 mm; weight 10g. Made by Continental Laboratories, 101 Great Russell Street, London, WC1, England. English, 1950-1970. Canister of Neutraphylline with Phenobarbital, with carton 1950-1970