Metal box of needles from apparatus for continuous intra-muscular infusion of penicillin with, by Willen Bros. of London, c.1950, designed by C.E. Last Box of needles from apparatus for continuous infusion of penicillin
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 Syringe from apparatus for continuous infusion of penicillin, London, England, 1945-1955