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Friction and carrying capacity of ball and roller bearings

โœ Scribed by Whittemore, H.L. (author);Petrenko, S.N. (author)

Publisher
Elsevier BV
Year
1921
Tongue
English
Weight
149 KB
Volume
192
Category
Article
ISSN
0016-0032

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Friction and carrying capacity of ball a
Friction and carrying capacity of ball and roller bearings
โœ Whittemore, H.L. (author);Petrenko, S.N. (author) ๐Ÿ“‚ Article ๐Ÿ“… 1921 ๐Ÿ› Elsevier BV ๐ŸŒ English โš– 149 KB

Dec., I92I.] U.S. BUREAU OF STANDARDS NOTES. 805 nitrite method of Holden and James. Each of these methods concentrated the erbium but not as rapidly as the nitrate fusion method. The best erbium fractions available contained considerable yttrium and probably small amounts of other rare earths. FRI