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| AJAY CONSTANT DEVIATION WAVE LENGTH SPECTROMETER SI-50 |
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| BASE: Heavy stable base having a pillar on which mounted a platform collimator/Telescope Prism Housing. |
| PRISM TABLE: Carrying Prism Pillion and Broca type refractive indes 1.65/1.74 housed properly with a cover rotatable by wavelength Drum, outside. |
| TELESCOPE: Fitted on the platform, focussed by rack/Pinion, Achromatic objective with light resolution, eyepiece with a scale last count 0.01 cms. |
| COLLIMATOR: With Achromatic objective having high resolution operateable by rack & pinion, having slit variable opening by Micrometer Screw. |
