dome of known as the fishpole circuit. The poles sustaining the St. Paul's Cathedral. It is believed that this speci- remains fresh and moist for a considerable time wiring are merely hung to the trolley wire, so that men, which is herewith illustrated, had taken about they can be lifted off… … all acids the most convenient for traversed by its lines in good re- STREET ROLLER READY FOR TRANSPORTATION. this purpose is tartaric acid. pair. For surfacing the maca- dam and asphalt it employs a When tartaric acid and sodium 15-ton road roller, which is bicarbonate are mixed with transported by…
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