Advanced Spectrometer Deluxe Type 7” PSAW |
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| Advanced Spectrometer Deluxe Type 7” PSAW
(1242 F ) |
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Same as above but with an improvement that the telescope and collimator are held in support rigidly and in perfect alignment. Vertical adjusting screws are provided to both the telescope and collimator. Clamping devices are provided to lock the telescope and collimator after adjustment.
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