larm may be muffled, and the trained trolley cars, which is under entire control of the motor- attendant can then depend on the sudden flash of light man. There has been a demand for a light of this kind to awaken him at the proper hour. for use on suburban lines and those which have many Roller… … ROLLER BRIDGE FOR PERAMBULATORS. chine the work is performed from start to finish in one operation. The new machine begins on the rib up and down stairs or steps has at last been met by work, and automatically changes to the circular leg the roller bridge which we illustrate herewith. As portion,…
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