As de Carreau

OBJECT TYPE: Camera
MANUFACTURER: A. Schaeffner
NATIONALITY: French
PLACE MANUFACTURED: France, Paris
OBJECT NAME VARIATION: Ace of Diamonds
INTRODUCTION DATE: 1892
PRODUCTION DATES: 1892-1893
FILM TYPE: dry plate
IMAGE SIZE: 4.5 x 4.5 cm (8)
ORIGINAL LIST PRICE: 35 francs
FUNCTIONAL TYPE: detective
STANDARD LENSES/SHUTTERS: 50mm f/8 Periscopic
INTEGRATED SHUTTER: Yes

NOTES:
  "This is a rigid camera for 8 exposures, 4.5 x 4.5 cm, on 5 x 5 cm.
  dry plates." Lothrop, 1973.
  L'As de Careau, the "ace of diamonds" was an inexpensive camera that
  in operation somewhat resembles the Gray Vest camera. It uses a square
  plate holder which can be removed and rotated 90° for the next
  exposure.

OBJECT IDENTIFIER: A1106.00002
VIDEODISC 1, FRAME NUMBER: 192

BIBLIOGRAPHIC REFERENCE: Lothrop, Eaton S., Jr. --A Century of Cameras from the Collection of the International Museum of Photography at George Eastman House.-- Dobbs Ferry, NY: Morgan & Morgan, 1973. pp 65.//