Dale Schusher perfusion pump, metal, single piston, used in animal experiments, by Rotherhams of Coventry, England, from Medical Research Council, 1880-1920 Dale Schusher perfusion pump 1880-1920
Accessories for Dale-Schuster pump, for supporting isolated animal organs, probably used by Sir Henry Dale, 1927-1935 Accessories for Dale-Schuster pump 1927-1935