Frankel's nasal speculum
1871-1900
Thudichum's nasal speculum
1880-1920
Speculum, nasal, metal
1871-1900
Speculum, nasal, screw-lever only
1801-1900
Nasal speculum Frankel's steel probably British
Frankel's nasal speculum
1901-1930
Speculum, nasal, Duplay
1801-1900
Dilating nasal(?) speculum, steel, 1750-1900
1750-1900
Speculum, nasal, Duplay
1801-1900
Aural speculum
Speculum, nasal, Duplay
1851-1900
Nasal speculum
1851-1900
Nasal speculum
1851-1900
nasal speculum
Nasal speculum for use with lamp
Frankel's nasal speculum
1901-1930