Reading Telescope, College Pattern PSAW |
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| Reading Telescope, College Pattern PSAW
(1256 A ) |
| The superior quality achromatic, objective has an aperture of 25 mm and focal length of 17.5 cm. It contains a fine quality 10 x ramsden eyepiece and 900 cross line graticule. The working distance is adjustable by rack and pinion and the lens has focus from ‘0’ to infinity. The carriage of the telescope (with up and down motion, improved design,, college pattern) tube is fitted with vertical movement by a fine micrometer screw. Focussing arrangement is given by rack and pinion. Complete on a heavy metallic stand having pillar of 18” length. Both tubes telescopes are of brass metal. Supplied with scale and scale holder.
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