Details
A MID 19TH-CENTURY OXIDISED AND LACQUERED-BRASS THEODOLITE,
SIGNED ON THE SILVERED COMPASS DIAL J.B. DANCER, 43, CROSS STREET MANCHESTER, THE TELESCOPE WITH RACK AND PINION FOCUSING, DUST CAP, GRADUATED BUBBLE LEVEL, FOUR CROSS-WIRE ADJUSTERS, LOCATED ON THE UPPER LIMB BY TWIN CLAMPS WITH CORK PAD INSERTS, MOUNTED ON THE VERTICAL HALF-CIRCLE, WITH ENGRAVED SCALE ON ONE SIDE FOR THE DIFF OF HYPO AND BASE, THE OTHER WITH SILVERED SCALE DIVIDED 90°-0°-60°, WITH VERNIER, THE AXIS RAISED ON TWIN V-SUPPORTS OVER THE COMPASS BOX, THE EDGE-BAR NEEDLE ON JEWELLED PIVOT, WITH CLAMP, THE HORIZONTAL PLATE WITH BUBBLE LEVEL AND CROSS-BUBBLE (GLASS LACKING), THE CHAMFERED SILVERED HORIZONTAL SCALE WITH TWIN VERNIERS AND SINGLE MAGNIFIER, TANGENT SCREW FINE ADJUSTMENT AND CLAMP, RAISED ON A FOUR-SCREW TRIPOD MOUNTING WITH FINE ADJUSTMENT, WITH ADDITIONAL TELESCOPE, IN THE ORIGINAL MAHOGANY CARRYING CASE -- 12IN. (30.5CM.) WIDE
SEE ILLUSTRATION
SIGNED ON THE SILVERED COMPASS DIAL J.B. DANCER, 43, CROSS STREET MANCHESTER, THE TELESCOPE WITH RACK AND PINION FOCUSING, DUST CAP, GRADUATED BUBBLE LEVEL, FOUR CROSS-WIRE ADJUSTERS, LOCATED ON THE UPPER LIMB BY TWIN CLAMPS WITH CORK PAD INSERTS, MOUNTED ON THE VERTICAL HALF-CIRCLE, WITH ENGRAVED SCALE ON ONE SIDE FOR THE DIFF OF HYPO AND BASE, THE OTHER WITH SILVERED SCALE DIVIDED 90°-0°-60°, WITH VERNIER, THE AXIS RAISED ON TWIN V-SUPPORTS OVER THE COMPASS BOX, THE EDGE-BAR NEEDLE ON JEWELLED PIVOT, WITH CLAMP, THE HORIZONTAL PLATE WITH BUBBLE LEVEL AND CROSS-BUBBLE (GLASS LACKING), THE CHAMFERED SILVERED HORIZONTAL SCALE WITH TWIN VERNIERS AND SINGLE MAGNIFIER, TANGENT SCREW FINE ADJUSTMENT AND CLAMP, RAISED ON A FOUR-SCREW TRIPOD MOUNTING WITH FINE ADJUSTMENT, WITH ADDITIONAL TELESCOPE, IN THE ORIGINAL MAHOGANY CARRYING CASE -- 12IN. (30.5CM.) WIDE
SEE ILLUSTRATION