Herring's catheter sterilizer, by S. Maw, Son and Sons, 7-12 Aldersgate Street, London, EC, England, 1901-1918 Herring's Catheter Sterilizer 1901-1918
Hot water sterilizer, electrical, owned by Dr Philip Ellman. Made in Germany, circa 1925-1940. Hot water sterilizer 1925-1940
Brass model of steam jacketed high pressure sterilizer (less safety valve) (one leg broken) Brass model of steam jacketed high pressure sterilizer