Glass infant's feeding bottle with cleaning brush in original box, Griptight miniature feeder, English, 1930-1960 Infant's feeding bottle with cleaning brush 1930-1960
Glass infant's feeding bottle, the Allenbury feeder, Pat. No. 15449, made by Allen and Hanburys Ltd., 1901-1950 Glass infant's feeding bottle 1901-1950
Valve from nitrous oxide cylinder, sectioned to show internal mechanism Valve from nitrous oxide cylinder