Trolley

Examples

• Trolley circuits are usually 500 volts, and will kill an animal, but are not necessarily fatal to man. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• The motors which drive our electric fans, our mills, and our trolley cars owe their existence entirely to the magnetic action of current electricity. Bertha M. Clark. General Science.
• UNDERGROUND ELECTRIC TROLLEY SYSTEM.] The familiar overhead trolley cars, and the far superior conduit trolley system, represent perhaps the largest use made of electric motors. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• In addition to these advantages, the streets would be freed from their burden of trolley wires or conduits. Frank Lewis Dyer. Edison, His Life and Inventions.
• The trolley wire is kept rigid and free from slack in this manner. Various. The Wonder Book of Knowledge.
• Freight and passenger lines are possible with motor trucks where a steam railroad or trolley system would not be practicable. Various. The Wonder Book of Knowledge.
• For example, trolley cars are heated by coils of wire under the seats. Bertha M. Clark. General Science.
• After the rear axle has been completely assembled, it is immersed in a tank containing enamel, and is hung on a special trolley which runs by gravity along an I-beam track. Various. The Wonder Book of Knowledge.
• The molten metal is brought to this man’s station by means of large ladles, suspended on a trolley on an I-beam track, running from the cupola through the entire length of the foundry. Various. The Wonder Book of Knowledge.
• Rigid triangles of iron pipe are secured to these cables and the trolley wire attached to the triangles. Various. The Wonder Book of Knowledge.
• Among the most important of his inventions are those which relate to electricity; inventions such as trolley car, elevator, automobile, electric light, the telephone, the telegraph. Bertha M. Clark. General Science.
• This trolley carries the axle to an elevator, which lifts it to a conveyor baking oven, located in a section of the roof. Various. The Wonder Book of Knowledge.

Checker: Maisie