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Page 83
To compensate the railroads , one hundred and eighty - eight miles of new track must be built along the north edge of the city ; to handle the freight traffic nine thousand three hundred feet of elevated double track must be built ...
To compensate the railroads , one hundred and eighty - eight miles of new track must be built along the north edge of the city ; to handle the freight traffic nine thousand three hundred feet of elevated double track must be built ...
Page 203
This bridge is one of the largest ever built in the West . The ends are supported by enormous con- crete abutments upon which rest girders that are 9 feet in depth and 80 feet long , weighing 50,000 pounds . A series of these girders ...
This bridge is one of the largest ever built in the West . The ends are supported by enormous con- crete abutments upon which rest girders that are 9 feet in depth and 80 feet long , weighing 50,000 pounds . A series of these girders ...
Page 243
GAS ENGINE BUILT OF JUNK A LITTLE rotary gas engine , built out in the parched Mojave Desert , contains parts from an old wagon tire and some pieces of discarded tubes , which form the cylinders , while a brass cartridge shell is a part ...
GAS ENGINE BUILT OF JUNK A LITTLE rotary gas engine , built out in the parched Mojave Desert , contains parts from an old wagon tire and some pieces of discarded tubes , which form the cylinders , while a brass cartridge shell is a part ...
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