Cathetometer - (SIPO-008)
a) Improved Cathetometer L Shaped :- It can be used horizontally or vertically and is provided with heavy levelling screws. The square bar of gun metal is graduated in half degrees and is read by vernier, Vernier constant is 0.01 or 0.02 mm as desired. The brass rod rotates on centre and can be clamped at any desired place The carriage of the telescope is of gunmetal and further provided for giving final adjustment to the telescope. Focussing is provided by rack and pinion. 1) Scale on brass rod 2) Scale of Stainless steel 3) 50 cms long graduated bar. 4) 100 cms long graduated bar. b) High grade cathetometer U Type oval shaped :- The vertical guide bar is supported on a heavy cast iron frame which can be rotated along the same axis as that of the bar and can be clamped in any position. The base carrying the frame is fitted with levelling screws The vertical guide bar is of gun metal and is having bearing at the top and bottom; can clamped in any position. The scale is accurately divided in half mm and fractional readings are obtained by a venier of 0.001 cm. telescope is fitted with 7 achromatic object glass Ramsden eye piece. The cross line can be rotated to cancide with the horizontal & vertical ; position of the object focussing is done by rack & pinion and its range is 3 fit t infinity. Brass Scale S / S Scale 1) 50 cm lrong 2) 100 cm long.Shambhavi ImpexNavi Mumbai, Thane
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