A heavy cast iron base fitted with three leveling screws with the top machined over which slides a gun metal carriage. A microscope tube is attached with a 10x Ramsaden Eye Piece with cross line graticule & an Achromatic 2"or 3" focal length objective of high quality. The Traveling Microscopes travel 17 cms horizontally and 14 cms vertically and guarantees accurate vernier reading 0.02 or 0.01 mm. with swing out magnifier for reading vernier.