Specifications:
a) Spectrometer
Scale: 6" diameter (Brass)
Base: Cast iron with levelling screw
All moving parts made of brass
for accuracy
Collimator with adjustable slit
Horizontal axis alignment for
collimator: Yes
Horizontal axis alignment for
telescope: Yes
Centre table: Height adjustable
with provision for prism and
grating holder
Telescope with user changeable
cross wire and eyepiece
b) R.F Oscillator
Frequency range: 3-10 MHz
Selection: Manual using fine
and coarse knobs
Amplitude: Fixed
c) Sodium vapour lamp set
(Optional)
Lamp: Philips / Thorne 35 W
Lamp house: Single lamp type
with fixed slit openings
Transformer: 35 W, Instant ON type
Rated Input: 220 V/50 Hz
or 110 V/60 Hz
