. Electric railway journal . 1914. A traffic of 146,500 cars per yearpasses over this frog. The frog in Fig. 3, which was installed in the same FIGS. 5, 6 AND 7—INSTALLATION OF FROGS SUBJECT TO A TRAFFIC OF MORE THAN 200,000 CARS PER YEAR 408 ELECTRIC RAILWAY JOURNAL [Vol. XLVIII, No. 10 Cost of Material and Labor for Making a Prog %-ton scrap rail and joint plates, at $13 $ Scrap base plate 40-lb. welding iron, at 5%c 1 10-lb. welding steel, at 15 Vic Bolts 60 Total material $ Blacksmith foreman, 24 hours, at 40c $ 3 helpers, 72 hours, at 30c Total labor $31.
. Electric railway journal . 1914. A traffic of 146,500 cars per yearpasses over this frog. The frog in Fig. 3, which was installed in the same FIGS. 5, 6 AND 7—INSTALLATION OF FROGS SUBJECT TO A TRAFFIC OF MORE THAN 200,000 CARS PER YEAR 408 ELECTRIC RAILWAY JOURNAL [Vol. XLVIII, No. 10 Cost of Material and Labor for Making a Prog %-ton scrap rail and joint plates, at $13 $ Scrap base plate 40-lb. welding iron, at 5%c 1 10-lb. welding steel, at 15 Vic Bolts 60 Total material $ Blacksmith foreman, 24 hours, at 40c $ 3 helpers, 72 hours, at 30c Total labor $ Grand total $ layout in October, 1913, is slightly loose, having noflange bearing. The frog in Fig. 4 at Lake and Driving Park is madeof 70 lb. rail and was laid in July, 1916. Atraffic of 11,500 cars per year passes over this frog. The frog in Fig. 5 at North and Central Streets wasplaced in May, 1916, and is subjected to a traffic of227,500 cars per year. The frogs in Figs. 6 and 7 at Clinton and Central. FIG. 8—FROG AFTER WELDING ON BASE PLATE BUT BEFOREWELDING JOINT PLATES
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
