細節
AN UNUSUAL 19TH-CENTURY BRASS TELESCOPIC APPARATUS,
SIGNED LUIS SCHOPPER LEIPZIG NO. 150, ALSO IMPRESSED WITH THE MAKER'S TRADEMARK, THE TELESCOPE WITH RACK AND PINION FOCUSING, SINGLE DRAW-TUBE, WITH SIGHTING TUBE MOUNTED OVER A CIRCULAR PLATFORM FOR CANDLE ILLUMINATION, THE LIMB RAISED ON A COLUMN WITH FRICTION ADJUSTMENT OVER THE IRON TRIPOD STAND, THE TELESCOPE -- 12¾IN. (32.4CM.) LONG CLOSED
SEE ILLUSTRATION (3)
SIGNED LUIS SCHOPPER LEIPZIG NO. 150, ALSO IMPRESSED WITH THE MAKER'S TRADEMARK, THE TELESCOPE WITH RACK AND PINION FOCUSING, SINGLE DRAW-TUBE, WITH SIGHTING TUBE MOUNTED OVER A CIRCULAR PLATFORM FOR CANDLE ILLUMINATION, THE LIMB RAISED ON A COLUMN WITH FRICTION ADJUSTMENT OVER THE IRON TRIPOD STAND, THE TELESCOPE -- 12¾IN. (32.4CM.) LONG CLOSED
SEE ILLUSTRATION (3)