Details
A LACQUERED-BRASS AND BLACK-ENAMELLED TRANSIT THEODOLITE,
SIGNED F.W. BREITHAUPT & SOHN CASSEL. NO. 31051, THE TELESCOPE WITH RACK AND PINION FOCUSING, FORE AND BACK SIGHTS, GRADUATED BUBBLE LEVEL WITH REFLECTING PLATE ON THE UNDERSIDE, TWO SIGHTING WIRE ADJUSTERS AND LENS CAP, THE AXIS MOUNTED ON TWO VERTICAL SUPPORTS WITH CLAMPS, INCORPORATING THE 4¼IN. VERTICAL CIRCLE, WITH SILVERED SCALE, VERNIERS AND MAGNIFIERS, LOCATED BY A SPRUNG PIN WITH FINE ADJUSTMENT, AN ADDITIONAL LEVEL ON THE VERTICAL CIRCLE AND ONE SIDE SUPPORT, RAISED OVER THE HORIZONTAL PLATE WITH UNIVERSAL BUBBLE LEVEL, THE ENCLOSED SILVERED SCALE WITH TWIN VERNIERS AND MAGNIFIERS AND GRADUATED CROSS-BUBBLE, WITH FINE-SCREW ADJUSTMENT AND SPRING CLAMP, RAISED ON A THREE-SCREW TRIPOD ATTACHMENT WITH PAD FEET -- 12½IN. (31.7CM.) HIGH
SEE COLOUR ILLUSTRATION
SIGNED F.W. BREITHAUPT & SOHN CASSEL. NO. 31051, THE TELESCOPE WITH RACK AND PINION FOCUSING, FORE AND BACK SIGHTS, GRADUATED BUBBLE LEVEL WITH REFLECTING PLATE ON THE UNDERSIDE, TWO SIGHTING WIRE ADJUSTERS AND LENS CAP, THE AXIS MOUNTED ON TWO VERTICAL SUPPORTS WITH CLAMPS, INCORPORATING THE 4¼IN. VERTICAL CIRCLE, WITH SILVERED SCALE, VERNIERS AND MAGNIFIERS, LOCATED BY A SPRUNG PIN WITH FINE ADJUSTMENT, AN ADDITIONAL LEVEL ON THE VERTICAL CIRCLE AND ONE SIDE SUPPORT, RAISED OVER THE HORIZONTAL PLATE WITH UNIVERSAL BUBBLE LEVEL, THE ENCLOSED SILVERED SCALE WITH TWIN VERNIERS AND MAGNIFIERS AND GRADUATED CROSS-BUBBLE, WITH FINE-SCREW ADJUSTMENT AND SPRING CLAMP, RAISED ON A THREE-SCREW TRIPOD ATTACHMENT WITH PAD FEET -- 12½IN. (31.7CM.) HIGH
SEE COLOUR ILLUSTRATION