French stereo camera

OBJECT TYPE: Camera
MANUFACTURER: Unidentified Maker
NATIONALITY: French
PLACE MANUFACTURED: France
INTRODUCTION DATE: ca 1860
FILM TYPE: wet plate
IMAGE SIZE: 4½ x 7½ in.
FUNCTIONAL TYPES:
  stereo
  wet plate
STANDARD LENSES/SHUTTERS: (2) Petzval type portrait by Derogy
INTERCHANGEABLE LENS: Yes

NOTES:
  Stereo wet plate camera of French manufacture; folding bed, cloth
  bellows, folding bed, fine focus by rack & pinion lenses.

OBJECT IDENTIFIER: 9999.00017

BIBLIOGRAPHIC REFERENCE: O'Brien, Maureen C. & Bergstein, Mary. --Image and Enterprise: The Photographs of Adolphe Braun.-- London: Thames & Hudson, 2000. p 39.//