Stopcock and gas bag from apparatus for nitrous oxide anaesthesia, 1871-1930 Stopcock and gas bag for anaesthesia 1871-1930
Gas bag from apparatus for nitrous oxide anaesthesia, 1871-1930 Gas bag from apparatus for nitrous oxide anaesthesia 1871-1930
Face mask from apparatus for ethyl chloride or nitrous oxide anaesthesia, English, 1866-1919 Face mask for anaesthetic 1866-1919
"Dry" bobbin flowmeter from anaesthetic machine, for nitrous oxide, oxygen and carbon dioxide, by British Oxygen Co., England, 1937-1950 "Dry" bobbin flowmeter from anaesthetic machine 1937-1950
Face mask and regulator from Hewitt's modification of Clover's Portable Regulating Ether Inhaler", regulator made by Holborn Surgical Instrument Co., London, 1877-1920 Face mask and regulator from Hewitt's modification of Clover's Portable Regulating Ether Inhaler" 1877-1920
Stopcock from apparatus for nitrous oxide anaesthesia, 1871-1930 Stopcock from apparatus for nitrous oxide anaesthesia 1871-1930
Face mask and stop-cock from apparatus for ethyl chloride or nitrous oxide anaesthesia, English, 1866-1919 Face mask and stop-cock for anaesthetic 1866-1919
Stopcock from gas cylinder, made by British Oxygen Co., English, 1906-1930 Stopcock from gas cylinder 1906-1930
Gas bag and connectors from apparatus for nitrous oxide and oxygen anaethesia, English, 1871-1930 Gas bag and connectors from apparatus for anaesthesia 1871-1930