Consists of  heavy casting bed , thoroughly aged and machined, is fitted with leveling  screws. On the dovetail guide ways slides the horizontal carriage which can be clamped at any position by means of a thumbscrew. A second sliding carriage slides along a metal vertical pillar fitted on the horizontal carriage. The slow motion guide bars are made of sturdy material and the motion is very smooth. Magnifier for reading Vernier.

Provided with Horizontal & Vertical drum types vernier for precise and accurate measurements and this large dial vernier  sclale gives direct reading .Cross line graticule  is provided in the eyepiece. Precision lapped vertical a horizontal carriages with fine movements, free from lateral shift chattering. Horizontal scale 0 to 16cm in 0.5mm division, . The horizontal & vertical carriages can be locked in any position. In addition to the coarse motion, fine motion is provided through a micrometer screw which has a transverse  of approximately 3 mm. Supplied in wooden case.