Onbekend - Stereoscopische Ferrotype

Stereoscopic ferrotype image of a young woman.
External dimensions 170 × 85 mm.
Ferrotypes (Colodium process on a metal plate) from 1850 to the early 1900s.
Ferrotypes are unique; this is not a reproduction.
Exposure times were still long, and 3D was especially rare.
The photo is detailed and mounted between glass.

Souvenir photo in ferrotype technique from around 1905
'Erinnerung an den Petersberg'
Group photo of a gathering during an outing.
External dimensions 95 × 115 mm.
Photo approx. 55 × 75 mm, with a glass plate in front.