Chamber box wet sliding plate lens Lerebours and Secrete, c. 1855. Walnut, plate size 3 ¼ ¼ x 4 in (1/4 plate), chamber size 5½ x 9 x 7 in. Portrait lens Lerebours et Secretan, Paris, No. 6725, f = approx. 7 inches, lenses inside slightly marked with the serial number, the hard lens hood mount interior lined with velvet brown, with support washer stops. Camera focusing screen and 2 each with multiple cassettes of study for use of collodion plate size approx Stereoscopic interchangeable backs. 6¾ x 3¼ in., Inside with stains silver nitrate. For two photos on a plate. An original and unusually complete set of stereoscopic camera, a highlight for a collection of cameras! Property Antoine-Julien Alizard.