. The Street railway journal . FIG. 7.—SISTER HOOK—MECHANICAL CLIP. FIG. HOOK-MECHANICAL CLIP details of the bracket construction as now installed, and shows the form of construction to be adopted on the newsection of the road. In both of these illustrations the Steadybrace device is also shown. The trolley is supported 20 the track. Fig. 11 is an illustration of the type of in-sulator used. It is of porcelain, 5 ins. in diameter and 3^ins. in height, and has a surface distance of 7^ ins. Theseinsulators weigh 3 lbs. each and were tested to withstand 40,-

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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884