Syringe from apparatus for continuous infusion of penicillin, London, England, 1945-1955

Metal box containing glass syringe from apparatus for continuous intra-muscular infusion of penicillin with, by Willen Bros. of London, c.1950, designed by C.E. Last

Apparatus for continuous intra-muscular infusion of penicillin, by Willen Bros. of London, designed by C. E. Last