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ELECTRON MICROSCOPE PHOTOGRAPHS
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FIGURE NO. 9 Asbi ? to.-, fib; u' iron now brake lining
50uux
FIGURE NO. 10 Lev; brake lining scr.irir.3s after heating to 12Go*F. for 30 ninutes
500ox
All fibers in Figures No. 10, 11 and 12 are below 5 ir.icrcn in length
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CAT-1007379 015