Stopcock and gas bag for anaesthesia
1871-1930
Gas bag from apparatus for nitrous oxide anaesthesia
1871-1930
Gas bag from unidentified anaesthetic apparatus
1871-1920
Union, tubing and part of gas bag from apparatus for administering nitrous oxide and oxygen
1895-1900
Stopcock from apparatus for nitrous oxide anaesthesia
1871-1930
Gas bag and connectors from apparatus for anaesthesia
1871-1930