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The testing of paint pigments for transparency to ultra-violet radiation

โœ Scribed by George F.A. Stutz


Publisher
Elsevier Science
Year
1926
Tongue
English
Weight
665 KB
Volume
202
Category
Article
ISSN
0016-0032

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๐Ÿ“œ SIMILAR VOLUMES


The transparency of amorphous silica for
โœ G.F.S. ๐Ÿ“‚ Article ๐Ÿ“… 1927 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 66 KB

## 694 CURRENT TOPICS. [J. F. I. high over the earth and in the west toward, the sun, was in the sunshine. This was verified by calculation. Subsequent comparison of other unusually high auroras showed that they also had been exposed to sunlight. Rays with their lower edges 300 to 40o kin. above