Cannula for above pilot, silver with guard, by S. Maw Son and Thompson of London, 1870-1901 Cannula for above pilot 1870-1901
Cannula for above pilot, silver with guard, by S. Maw Son and Thompson of London, 1870-1901 Cannula for above pilot 1870-1901
Three tracheotomy cannulas, silver, with guards, probably German, early 20th century Tracheotomy cannulae 1901-1930