Siegle's aural speculum
1880-1900
Vulcanite fountain pen in marbled orange and brown with gold fittings and nib
1900-1930
Vulcanite fountain pen in variegated browns with chrome fittings (clip missing) and brass nib
1900-1930
Vulcanite fountain pen in variegated blue and grey with brass fittings and nib
1900-1930
High frequency "violet ray" electrotherapy apparatus with three electrodes
1925-1940