ELEMENTARY GONIOMETER SPECTROSCOPE - Excellent Condition!
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$140 - buyer pays shipping.
I don't know much about this Spectroscope other than it looks to be in excellent condition, here is the description from the website:
Scale 150 divided from 0 to 360º x 1. With Goniometer up to six minutes of arc. Accuracy 0.1º.
Collimator mounted on a pillar with an adjustable axis using 4 knurled screws.
It features an achromatic lens with a focal length of 150 mm and a diameter of 21 mm, plus an adjustable precision slot 6 mm long.
Height-adjustable prism tray.
The telescope and collimator are fixed to the mount and held in perfect alignment by screws. The telescope is equipped with an achromatic objective lens with a focal length of 170 mm and a diameter of 25 mm, and a Ramsden eyepiece with a screen-printed crosshair for precise focusing.
Funding Member
