Whte finish metal box, mounted on a steel rod with 12V 100W halogen lamp
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Photographic replica gratings mounted on a plate glass & suitable for visual. Grading size 25 x 25 mm, on glass plate 50 x 38 mm. The grating are of :
Having measuring range 0-32% sugar scale. Nicely packed in velvet box with zero adjusting screw driver.
Ground & polished faces, edges ground. Size 50 mm high & 45 mm wide.
Kit includes 5 liters round bottom flask with cork, support ring, fluorescein and 3 lens to demonstrate long, short and normal sight.
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