Achromatic
object glass focal length of 17.5 cm and 25 mm clear aperture. 10 x Ramsden
eyepiece & focusing by rack and pinion (with up and down, to and fro
motion) Range from 1000 mm to infinity. Carriage for telescope with adjustable
ring to stop abrupt falling, fitted with adjustable screws for precise vertical
and horizontal positioning. Scale and scale holder are provided with the stand.
25 mm dia steel pillar, 450 mm long fitted on a heavy cast iron base with three
leveling screws.
Both tubes of the
telescopes are of brass. Supplied with scale and scale holder and fitted with
cross line graticule.
