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Some improvements in the manufacture of films or sheets to polarize and analyze the luminous rays (Machine-translation by Google Translate, not legally binding)
Some improvements in the manufacture of films or sheets to polarize and analyze the luminous rays (Machine-translation by Google Translate, not legally binding)
Improvements in the manufacture of films or sheets to polarize and analyze the light rays characterized by the fact that obtained a mass of a polymer of acetylene is laminated with friction or drag or that with the upper compression element has a relative speed with respect to the inferior in order to form a thin and diaphanous film with its molecules oriented and elongated according to the direction of the advance and that this film is then colored with the precise coloring substance (Machine-translation by Google Translate, not legally binding)
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