Frankel's nasal speculum
Frankel's nasal speculum, steel, nickel-plated
Diagnostic set, comprising one nasal speculum, one aural speculum, and two laryngeal mirrors, steel, nickel-plated, in canvas covered case marked "Spiegeltasche", early 20th century
Frankel's nasal speculum, steel, nickel-plated
Wilde's aural speculum, steel, nickel-plated
Laryngeal mirror, steel, nickel-plated, and glass
Laryngeal mirror, steel, nickel-plated, and glass