. Electric railway journal . bettered. This surface railway was the first to keepbrake-shoe costs on a ton-mile basis, believing that thisunit offers fairer comparisons than the train-mile. Theton-stop unit would be even better if such a comparisonwere practicable under the wide variety of running con-ditions involved in city service. The accompanying curvesheet, Fig. 9, shows the ton-mile brake-shoe cost recordslor the period from January, 1907,, to April, 1909. Thesecosts do not include credits for scrap. 68 ELECTRIC RAILWAY JOURNAL. [Vol. XXXIV. No. 2. CAR-BODY STANDARDS It is rather diffic
. Electric railway journal . bettered. This surface railway was the first to keepbrake-shoe costs on a ton-mile basis, believing that thisunit offers fairer comparisons than the train-mile. Theton-stop unit would be even better if such a comparisonwere practicable under the wide variety of running con-ditions involved in city service. The accompanying curvesheet, Fig. 9, shows the ton-mile brake-shoe cost recordslor the period from January, 1907,, to April, 1909. Thesecosts do not include credits for scrap. 68 ELECTRIC RAILWAY JOURNAL. [Vol. XXXIV. No. 2. CAR-BODY STANDARDS It is rather difficult to present any detailed descriptionof the rehabilitation of the surface car bodies because somuch of the work was simply a thorough overhauling ofneglected rolling stock. Sagging platforms in particularwere noticeably frequent. On steel-supported platformsthis defect was eliminated by reinforcing the channel ironknees by riveting an additional plate inside the 1906 the company began to install on all cars. ilf-JSHookBoH No. 7 Sid. J— Shfet yteol Fig. 11—Truck and Car Alterations—Standard Step forSurface Cars semi-inclosed Sjoberg vestibules of the three-light designshown in the accompanying illustration, Fig. 10. The vesti-bule sash is made with both upper and lower tracks. Onthe later four-motor cars the vestibules are of practicallythe same type, but they are built in the posts extending fromthe crown piece to the bonnet, whereas old car vestibulesare built up from the dash to the top. these details for the convertible car of the 2500 seriesintroduced in 1907. This car is 38 ft. 2>3A m- overall, 28 the body and is 7 ft. wide overall. The body under-framing is of wood and the platforms are carried on 3^2-in. x ^-in. outside angles, reinforced at the endsill by 5-in. x 3-in. x %-in. angles. Interesting featuresof the floor framing are the sub-end sills placed 9% the end sill; the connection of the cross-sills to theside si
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