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| Intermediate Spectrometer, Model JJY-1'
(1925) |
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Advanced Spectrometer Designed for easy set-up and use. This spectrometer's sturdy iron base incorporates a 20cm-diameter divided table with highly visible etched graduations and a vernier scale that can be read to a resolution of 1 minute of arc. The revolving 7cm-diameter prism support rotates 360 degrees and has a height adjustment of 2cm, thereby accommodating a wide range of test conditions. A built-in illuminated auto collimator eliminates the difficulty of telescope-collimator alignment. Accessories include an illuminated magnifier, glass diffraction grating and holder, auto collimation mirror, power adapter, brush, screwdrivers, extra bulbs, and instruction manual. |
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