9cm x 14.5 cm , pack of 25 sheets.
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Whte finish metal box, mounted on a steel rod with 12V 100W halogen lamp
Kit includes 5 liters round bottom flask with cork, support ring, fluorescein and 3 lens to demonstrate long, short and normal sight.
Optically worked, ground edges
Having measuring range 0-32% sugar scale. Nicely packed in velvet box with zero adjusting screw driver.
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