1) Stereo viewer" Mon. Martinet A. Hautecoeur" in Paris. For stereo cards of 9 x 18 cm and prints of 17 x 20 cm (also day-and-night cards), folding box, magnifying lens Ø 3 ½ in., Height of the viewer 17 in. - Rare! (03.02 / 03.02)
