Kramer's aural speculum
1880-1930
Aural speculum
1750-1850
Miot's dilating aural speculum
1880-1920
Kramer's dilating aural speculum
1801-1920
Kramer's aural speculum with adjusting screw
1850-1910
Kramer's aural speculum
1860-1900
Aural speculum
1851-1900
Aural speculum
1895-1905
Kramer's aural speculum
1850-1920
Aural speculum
1851-1900
Aural speculum
1811-1830
Aural speculum
1851-1900
Kramer's aural dilating speculum
1890-1925
Kramer's aural speculum
1850-1900
Aural speculum
1801-1900
Kramer's dilating aural speculum
1870-1901
Silver auriscope
1862-1900
Miot's modification of Kramer's aural speculum
1870-1900