Solder for aluminum
- Publisher
- Elsevier Science
- Year
- 1911
- Tongue
- English
- Weight
- 66 KB
- Volume
- 172
- Category
- Article
- ISSN
- 0016-0032
No coin nor oath required. For personal study only.
โฆ Synopsis
wooden racks on a shelf in proximity to an inclosed arc light; beginning with a pure oil on the left hand side, then bottles with o.I per cent. mineral oil, I per cent., 2 per cent., etc., up to IO per cent. The standard with linseed oil serves to examine cottonseed, corn, China-wood, China-bean oils, or any other non-fluorescent vegetable oil. The special standard of lard oil is necessary to test adulterated lard oils.
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Tagging Fish.--(White Metal News Letter, Sept. I933.) It may not be difficult to tag a fish but Dr. Rounsefell in charge of the Alaska Herring Investigation for the U. S. Bureau of Fisheries has had his difficulties in the past when he tried to recover the tags. The fish are tagged for the purpose o