


Face mask
1890-1920

Single straight bore stopcock

Stopcock, single straight bore

Three way stopcock

Three-way oblique bore stopcock

Three-way oblique bore stopcock

2-valve manifold (sectioned)
1985-1995

Bronze stopcock
1-1900

Face mask
1894-1930

Three-way T-shape stopcock

Stopcock single straight bore

Single straight bore stopcock

Stopcock, two oblique bore stopcocks joined make a "T"

Straight stopcock

Stop-cock for anaesthetic
1866-1919
Stopcock, bronze, complete
10-350 CE
Face mask for anaesthetic
1866-1919
Face mask and stop-cock for anaesthetic
1866-1919
Face mask and stopcock from "Somnoform Inhaler
1871-1920
Stop cock, lead and bronze, Roman, 10-350AD
10-350 CE
Part of metal stopcock
1-300 CE