. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . very good records and a separaterecord for each kind of defect, and theinstructor would have to explain thesounds to the class. (2) Can you tellme the origin or meaning of the namesBig Four, Vandalia Line, and SooLine. A.—Big Four refers to the four er, and eventually freezing there? A.—There is a remedy for this. A thincoat of pure glycerine put on bothsides of the pane will prevent moistureforming there. In time, however, theglycerine collects dust and must bewiped off and fresh glycerine a
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . very good records and a separaterecord for each kind of defect, and theinstructor would have to explain thesounds to the class. (2) Can you tellme the origin or meaning of the namesBig Four, Vandalia Line, and SooLine. A.—Big Four refers to the four er, and eventually freezing there? A.—There is a remedy for this. A thincoat of pure glycerine put on bothsides of the pane will prevent moistureforming there. In time, however, theglycerine collects dust and must bewiped off and fresh glycerine glycerine being quite transparentthe view through the window is not inany way obstructed. (14) Apprentice, Des Moines, la.,writes: In my reading of books I frequentlycome across the word pitch that Iam confused about its meaning. I donot mean the stuff taken from pinetrees, but mechanical application of theword. Can you help me? A.—Thereare several ways that the word pitchis used, (i) The distance from centerto center of any two adjacent teeth ofgearing measured on the pitch line. FAST PASSENGER 4-4-2 ENGINE FOR THE BANNER ROITE. wheel have to slip to keep up with thelarger one. A.—Wheels of the sizesyou mention and mounted as you de-scribe would not run on a straight trackat all. In one revolution the largerwheel would have moved over the smaller one over ft. oftrack. Mere slip in the smaller wheelwould not keep the larger one on itsrail, unless the flange of the larger wheelwas on the outside of the rail, and eventhen the tendency to mount would bevery great. These wheels would workin perfect harmony on a circular track,and after you had decided on the numberof revolutions you desired them to makein going round you would thereby prac-tically determine the gauge of the instance, suppose you arranged thatten revolutions would complete the cir-cle. The larger wheel would have goneover ft. and the smaller one ft. of tr
Size: 2705px × 924px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookidrailwaylocom, bookyear1901
