Details of device, developed by E. A. Sperry, which is being applied in practice by Sperry Rail Service Corp. of Chicago; detector, it is claimed, discovers not only fissures and other discontinuities in rails over which car passes, but also any chemical or metallurgical changes in metal; in addition apparatus is claimed to have definite advantageous effect on rails on which it is used. (see also Engineering, vol. 127, no. 3298, Mar. 29, 1929, pp. 398-399)
The detection of flaws in rails
Engineer
Engineer ; 147 , n 3826
1929
2 pages
6 Figs.
Article (Journal)
English
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The detection of flaws in rails
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About 800,000 rails tested electrically for flaws
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