𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Ball and roller bearings

✍ Scribed by Baty, J.E.

Book ID
119743259
Publisher
Institution of Electrical Engineers
Year
1949
Weight
89 KB
Volume
28
Category
Article
ISSN
0368-2757

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Friction and carrying capacity of ball a
Friction and carrying capacity of ball and roller bearings
✍ Whittemore, H.L. (author);Petrenko, S.N. (author) πŸ“‚ Article πŸ“… 1921 πŸ› Elsevier BV 🌐 English βš– 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