. American engineer and railroad journal . eans, board a Pa-cific Mail steamer at San Franciscoand land ,-it Hunt! Kong, a of 9,902 miles, without leav-ing Harriman Lines. On the com-pletion of the lines now under con-struction between Seattle and Port-land, and between Culiacan andGuadalajara, Mexico, a traveler willbe able to make a continuous trip onHarriman rails from Seattle, in lati-tude 47° 30, to Guadalajara, in lati-tude 220, a distance of 3, miles;or from Seattle to Xew Orleans, a-/. Kruttschnitt before the New York Friction Metal Saws.—An explanation of the manner
. American engineer and railroad journal . eans, board a Pa-cific Mail steamer at San Franciscoand land ,-it Hunt! Kong, a of 9,902 miles, without leav-ing Harriman Lines. On the com-pletion of the lines now under con-struction between Seattle and Port-land, and between Culiacan andGuadalajara, Mexico, a traveler willbe able to make a continuous trip onHarriman rails from Seattle, in lati-tude 47° 30, to Guadalajara, in lati-tude 220, a distance of 3, miles;or from Seattle to Xew Orleans, a-/. Kruttschnitt before the New York Friction Metal Saws.—An explanation of the manner inwhich a soft steel disk, revolving at high velocity, cuts hardsteel has been sought with the aid of a microscopic result corroborates the theory that the material acted uponis heated at the place of contact to the fusing point and thenbrushed away. The high temperature appears to be confinedvery narrowly to the point of contact, so that a thin gash is temperature of the revolving disk does not rise so high be-. ■«^t=| FRAMES—BURLINGTON PACIFIC TYPE LOCOMOTIVE. Working pressure 200 lbs. Outside diameter of first ring 70 in. Firebox, length and width lOS/i X V2>4 in. Firebox plates, thickness }i & y2 in. Firebox, water space , to 4, in. Tubes, number and outside diameter 293—%\i in. cause of the large surface area of the disk. The part of thedisk in contact is continually changing, while the frictional en-ergy is concentrated on a very small area of the material sub-jected to its action.—The Practical Engineer. I • AMERICAN ENGINEER AND RAILROAD JOURNAL.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
