ESAW College Pattern Reading Telescope (LO-5899)

The superior quality achromatic objective has an aperture of 25mm and focal length of 17.5cm. It contains a fine quality 10 x 0 Ramsden eyepiece and 90 Cross Line Gracule. The working distance is adjustable by rack and pinion and the lens has focus from One meter to infinity. The carriage of the telescope (with up and down moon, improved design, college pattern) tube is fied with vertical movement by a fine micrometer screw. Focussing arrangement is given by rack and opinion. Complete on a heavy metallic stand having pillar of 18" length of 15mm diameter. Both tubes of telescopes are of brass metal. Supplied with scale and scale holder with detailed working manual.