| Spectrometer, Intermediate |
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| Code: |
LP703 |
| Features: | Reads to 1 minute of arc.
150 mm diam. scale with protective cover and acrylic windows to read verniers, is fixed to the telescope movement. The table is attached to double ended verniers reading to 1 minute of arc with magnifiers provided for the purpose. Both telescope and table rotations have fine adjustments. Collimator is on a fixed pillar with 175 mm fl achromatic objective of 25 mm aperture and an adjustable slit. The telescope is on a movable pillar with 175 mm achromatic objective x8 Ramsden eye-piece and glass crossline graticule. Both telescope and collimator have rack and pinion focussing and their optical axes can also be adjusted. Prism table has lines to assist prism placement and has three levelling screws. With prism clamp, diffraction grating holder & one tommy bar for axis adjustment, in case. |
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