TRAVELLING MICROSCOPE (VERNIER MICROSCOPE): Vernier reading to 0.02 to 0.01 mm. Horizontal scale is graduated upto 17 mm and vertical scale 15 mm embedded stainless steel scale . Cast iron heavy bed with leveling screws. Vertical and horizontal slide can be clamped at any position, packed in plywood box clamping screw and fine motion is brought about by micrometer screws.