Spectrometer Advanced

Description

This instrument is robust enough for individual student use also
intended for more advanced work. Scale 150 mm diameter circle
is fixed, the table and telescope movements are completely
independent of each other. Both movements can be read to 30
sec. of arc by means of double ended verniers. Both rotations
have fine adjustment screws, and release of a clamping screw
enables coarse adjustment to be made by hand.
Collimator mounted on fixed and pillar and fitted with 178 mm
focus achromatic objective, 32 mm clear aperture.
Telescope mounted on moveable pillar and fitted with 178 mm
focus achromatic objective, 32 mm clear aperture. Also fitted is
an x 15 Ramsden eyepiece and glass cross line graticule.
Prism table the table is marked with lines to assist placing
the prism with respect to the table levelling screws, and has
interchangeable clamping units for the prism and a diffraction
grating. Supplied in wooden carrying case and manual.
SP4-1731