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SCIENCE, ANDWlb—An Knglish committee and natural*. is UkiJ* to hand th protection of South Africa* nutauu.£Ith« pira*. ab».and other antelopes, apamstthen M ♦ Kt-ontlt;*ntnl extinction. A suggestedKoo™Ha method has at last been found by N.H. Keyser of soldering* aluminium by heating the metal and scraping tho lurtr so as to remove the-V™ ^ film until the metal is ‘tinned. The ^ alloy used consists of 50 Part,flt; ‘ “; me a.-, of silver, 23 of aluminium, and melts at 730 degrees. Almost any tin solderwill do. however.—According to some estimates 20 per cent., and according to others as large as 70 per cent, of the blind affliction to the negligence of mldw res and others immediately after the birth of such unfortunates. The blindness arising from this cause is absolutely preventable by at least two simpleAlgdortheteeJe’sticlehaOV'means.
Newspaper Details
The Colfax Chronicle
Colfax, Louisiana, US
Sat, Dec 22, 1894
Page 2
Full Page
Clipped by
Anonymous
USA 26 Oct 2022
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The Colfax Chronicle
