Nasal dilator
1901-1930
Hewetson's nasal dilator
1901-1930
Hill's nasal dilator
1901-1930
Nasal dilator
1871-1900
Nasal dialtor, gilt steel, French, 1820-1890
1820-1890
Nasal dilator
1801-1900
Nasal dilator with three separate heads
1901-1930