Näytetään tekstit, joissa on tunniste Scientific American Supplement. Näytä kaikki tekstit
Näytetään tekstit, joissa on tunniste Scientific American Supplement. Näytä kaikki tekstit

19.1.23

Experiments with Fibers. Tests of dyed black silk.

Scientific American Supplement 530, 27.2.1886 The fibers of dyed black silk may be viewed with interest under the microscope. If a few th...

Alizarine Dyes.

Scientific American Supplement 530, 27.2.1886 Notwithstanding the unprecedented progress of the coal-tar dyestuff industry during the past...

8.10.21

Annatto.

Scientific American Supplement No. 531, 6.3.1886 By William Lawson. The subject which I have the honor to bring shortly before your notic...

11.3.12

New Method of Detecting Dyes on Yarns and Tissues.

Scientific American Supplement 363, 16.12. 1882 By Jules Joffre. The reagents employed are a solution of caustic potassa in ten parts of...

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