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Show Best Trolley Wheels. H It has now been settled without H question, says tho Brass World, that H the best trolley wheels are those H which contain no load. Tho constant H arching ot the wheel and wire burns V out the lead and causes tho wheel to wear rapidly. It a trolley wheel Is found which contains lead it is cor- H tain that It will wear out rapidly. It is vory .difficult to obtain scrap motels on the market which do 'not contain I lead. For this reason trolley wheels must bo manufactured from now H metals. I |