Description

Used for precise measurement of small displacements, refractive index experiments, and Newton’s rings. Heavy Cast iron with levelling screws and fixed steel scale and vertical of brass or aluminium alloy. Smooth screw-driven slide mechanism with locking knobs. Fine adjustment available on both horizontal and vertical motions using knurled screws. both horizontal and vertical scales are graduated in mm or cm. Slides 22 cm horizontally and 17 cm vertically. Vernier Reading 0.01 mm or 0.02 mm. Achromatic, focusing tube with crosshair reticule. 10X to 15X (achromatic objective). Supplied in a wooden box with instruction manual.