OFWORK AND CHARACTER OFHEAT TREATMENT. The physical properties of the steel in these wheelsand tires having been determined, an examinationwith the microscope was made of samples fromeach. In the preparation of the specimens for thiswork strips were cut from each wheel and tire inaccordance with… … SECTION OF TIRE SHOWING LINES OF LOCATION OF MICROPHOTOGRAPHS 29 Referring first to the microphotographs of the Dtire, Nos. i to 6, Nos. i to 5 were taken in stripNo. 4, at the tread and at | inch, | inch, and i inchbelow the tread respectively, and No. 6 at i inchbelow the tread in strip No. 3.…
Railroad cars
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
