Constant Deviation Spectrograph C.S.D |
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| Constant Deviation Spectrograph C.S.D
(1304 ) |
a) Collimating Tube : (Material : Brass pipe) O.D : 50mm I.D : 44mm for fitting colimating lens
It is provided with ravk & pinion arrangement and slit.Slit is drum type Drum is graduated in 100 equal division. Slit Ht. 10mm : Maximum opening : 5mm :
Pitch of the screw of slit: 0.5mm ; L.C.: 0.005mm The jaws of the slit are optically ground. It is provided with Holfmann Diapharagm.
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