Electricity at the Columbian Exposition: Including an Account of the Exhibits in the Electricity Building, the Power Plant in Machinery Hall, the Arc and Incandescent Lighting of the Grounds and Buildings ... Etc (Google eBook)
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alarm alternating current ammeters amperes apparatus arc lamps arc lights armature arranged automatic battery bell belt binding posts brushes cables capacity carbon cell cent circuit clock coil Columbian commutator compound conductors connected consisted construction copper core cut-outs designed device diameter direct current dynamo Electr1c ELECTRIC COMPANY Electricity building engine exhibit Exposition feet field furnished galvanometer glass grounds heat incandescent lamps incandescent lights inches installed instrument insulated iron lever located machine Machinery Hall magnetic manufacture means mechanical metal motor mounted operation placed plant plate pole potential railway resistance revolutions per minute rheostat ring rubber screws shaft shown shunt side signal space speed standard station subway switch switchboard telegraph telephone terminals Tesla motors tion tube various voltage voltmeter volts Western Electric Westinghouse wheel wire World's Columbian Exposition wound zinc
Page 501 - Building has an open portico extending along the whole of the south facade, the lower or Ionic order forming an open screen in front of it. The various subordinate pavilions are treated with windows and balconies. The details of the exterior orders are richly decorated, and the pediments, friezes, panels and spandrils have received a decoration of figures in relief , with architectural motifs, the general tendency of which is to illustrate the purposes of the building.
Page 500 - ... in height, and provided with skylights The second story is composed of a series of galleries, connected across the nave by two bridges, with access by four grand staircases. The area of the galleries in the second story is 118,546 square feet, or 2.7 acres. The exterior walls of this building are composed of a continuous Corinthian order of pilasters, 3 feet 6 inches wide and 42 feet high, supporting a full entablature, and resting upon a stylobate 8 feet 6 inches.
Page 373 - The hydrogen liberated from the water combines with the oxygen of the copper oxide, re-forming water and depositing pure, metallic copper. The copper oxide of the " Edison-Lalande
Page 500 - The general scheme of the plan is based upon a longitudinal nave 115 feet wide and 114 feet high, crossed in the middle by a transept of the same width and height. The nave and the transept have a pitched roof with a range of skylights at the bottom of the pitch and clearstory windows.
Page 416 - When the cutter-bar is revolved, these cutters or bits cover its entire face. The cutter-bar is revolved by an endless, curved-link, steel chain from the driving-shaft, and, as it is revolved, is advanced by the above mechanism into the coal or other material to be undercut to the desired depth. The current required is from 30 to 50 amperes at a pressure of 220 volts : each motor is wound to develop fully 15 horsepower, though frequently in some veins of coal the machine only uses 30 amperes, or...
Page 501 - The color of the exterior is like marble, but the walls of the hemicycle and of the various porticos and loggia are highly enriched with color, the pilasters in these places being decorated with scagliola and the capitals with metallic effects in bronze.
Page 500 - ... based upon a longitudinal nave 115 feet wide and 114 feet high, crossed in the middle by a transept of the same width and height. The nave and the transept have a pitched roof with a range of skylights at the bottom of the pitch and clearstory windows. The rest of the building is covered with a flat roof, averaging 62 feet in height and provided with skylights.
Page 109 - The armaturecore is built up of iron wire, insulated by paper, the wire being wound on a cast-iron frame or skeleton having a T-section, which divides the core into two parts. The arms of the spider which holds the armature...
Page 501 - On the south there is aa pavilion semi-circular in form, 78 feet in diameter and 103 feet high. The opening of this niche is framed by a semi-circular arch, which is crowned by a gable or pediment with smaller gables on the returns and surmounted by an attic, the whole reaching the height of 142 feet. In the center of this niche, upon a lofty pedestal, is...