This is a
good general purpose laboratory instrument. It employs an achromatic objective
of 25 mm aperture and 17.5 cm focal length. The telescope is mounted on a
sturdy stand with ½” steel C.P. rod, focus by smooth rack and pinion, 10 X
Ramsden eyepieces are used. Supplied with scale and scale holder.
Suitable for Compound
Pendulum experiment.
The sensitive focusing adjustment and wide range
of working distance make this telescope a useful laboratory instrument.