Elevators

Examples

• Mention has already been made of office and other elevators, in which compressed air is an important factor in operating the same and for preventing accidents. William Henry Doolittle. Inventions in the Century.
• The century was half through with before it was proposed to use water and steam for passenger elevators. William Henry Doolittle. Inventions in the Century.
• Not only are passengers conveyed up and down by electric elevators in skyscrapers, but the buildings themselves are erected by means of electricity. Various. The Wonder Book of Knowledge.
• The Story in Elevators and Escalators[15] Various. The Wonder Book of Knowledge.
• The operating-room referred to was on the fifth floor of the building with no elevators. Frank Lewis Dyer. Edison, His Life and Inventions.
• The supplies for cities and for families are estimated, measured and recorded as easily as are the supplies of illuminating gas, or the flow of food from elevators. William Henry Doolittle. Inventions in the Century.
• The summit of the tower was reached by staircases containing 1,793 steps, and by hydraulic elevators running in four stages. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• Then came the overhead circuits for distributing electrical energy to motors for operating elevators, driving machinery, etc. Frank Lewis Dyer. Edison, His Life and Inventions.

Editor: Ned