✦ LIBER ✦

Caustic lime in coal mining

Book ID: 103086048
Publisher: Elsevier Science
Year: 1883
Tongue: English
Weight: 60 KB
Volume: 115
Category: Article
ISSN: 0016-0032
DOI: 10.1016/0016-0032(83)90361-7

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✦ Synopsis

Twinkling and 8eintillation.--Karl Exner attributes the colored scintillation of stars to the combined influence of the regular dispersion of the rays and the irregular refractions in the atmosphere. The scintillation when near the horizon is colored, but uncolored when near the zenith.--Wied. Ann., No. 10, 1882.

C.

Insulite.--A new electrical insulator is described by L'lndustrie Belge, to which the name of insulite has been.given. The materials which enter into its composition are wood, sawdust, cotton rags, papier roach6, and other fibrous substances. By a special treatment the materials are rendered proof against water and acids, and easy to work and shape in all forms. It can be employed in batteries, or as an insulator for telegraphic, telephonic, and illuminating wires. Its price is much less than that of ebonite or gutta percha.--Chron. Sndustr., No. 37. C.

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