拍品 223
223
A BRASS-CASED PORTABLE MICROSCOPE, BY NACHET ET FILS, with 2½-inch body-tube, draw-tube and fine-screw focusing mounted to underside, the case end forming sprung stage and sub-stage mirror, the sliding lid signed, Nachet et fils, Rue Serpentine 16, Paris, (lacks part case)--3½in. (8.2cm.) high, 2in. (4.7cm.) wide

细节
A BRASS-CASED PORTABLE MICROSCOPE, BY NACHET ET FILS, with 2½-inch body-tube, draw-tube and fine-screw focusing mounted to underside, the case end forming sprung stage and sub-stage mirror, the sliding lid signed, Nachet et fils, Rue Serpentine 16, Paris, (lacks part case)--3½in. (8.2cm.) high, 2in. (4.7cm.) wide