Pacemaker, external model, prototype made at Hammersmith, battery powered, without catheter, c.1958 Pacemaker, external model
Hypodermic syringe, glass and vulcanite, cased, with accessories, probably German, 1890-1910 Hypodermic syringe
22 electrodes of varying shape and size, several with hetagonal metal finials, some with screw-type terminals, some made by Gaiffe, one Chazal, most probably French, 1880-1920 22 electrodes of varying shape and size