Travelling Microscope (or vernier microscope) consists of horizontal and vertical scales of brass steel. It is used for measuring small lengths. The cast iron base is fitted with levelling screws with the top duly machined over which slides a metal carriage. The microscope slide can be clamped at any position by the means of a clamping screw. A vertical slide operating in a similar way is fitted on the horizontal carriage. The microscope with rack and pinion is fitted on this vertical carriage and can be clamped in a vertical or horizontal position. The stage for placing objects for measurement is fitted with a Perspex plate. Achromatic lenses have been used. Slides travel 210mm horizontally and 160mm vertically. Full operating instructions / experiment guide are included.Eyepiece: FL10X/50mmVernier reading: 0.02 or 0.01mmSupplied in wooden polished case