The Technical World Magazine, Volume 16Technical World Company, 1911 |
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Page 60
... tunnel began to dwindle . The " sponge " in the cup , above the level of the tun- nel , had been drained , and for years the El Paso tunnel has carried away only the water that reaches the crater through the nat- ural precipitation . In ...
... tunnel began to dwindle . The " sponge " in the cup , above the level of the tun- nel , had been drained , and for years the El Paso tunnel has carried away only the water that reaches the crater through the nat- ural precipitation . In ...
Page 63
... tunnel was made with the shaft of the El Paso mine ; and work is still in progress extending the tunnel to and through the secondary dyke that walls off a part of the crater , as already mentioned . An intermediate shaft was driven to ...
... tunnel was made with the shaft of the El Paso mine ; and work is still in progress extending the tunnel to and through the secondary dyke that walls off a part of the crater , as already mentioned . An intermediate shaft was driven to ...
Page 711
... tunnel was $ 240 per lineal foot . The Stampede tunnel in the Cascade Mountains cost $ 118 per lineal foot for a single track . A short tunnel dug by the Baltimore and Ohio in 1891 cost $ 114 per lineal foot . Tunneling by present ...
... tunnel was $ 240 per lineal foot . The Stampede tunnel in the Cascade Mountains cost $ 118 per lineal foot for a single track . A short tunnel dug by the Baltimore and Ohio in 1891 cost $ 114 per lineal foot . Tunneling by present ...
Contents
Contents for October 1911 | 131 |
professional money lender is helpless to escape and how tragedy not infrequently follows the borrowing | 159 |
Farming for Sponges | 212 |
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acres American apparatus Black River Canal boat bottom building built California canal cement cent Chicago coal cofferdam Company condition cost Cripple Creek cylinders device digestion dollars El Paso electric engine estry express monopoly fact factory farm farmer fear feet fish five forests fruit girl give gold halibut hand heat Hertzian waves hour House of Morgan hundred inches labor lactic acid lacto lake Lake Nicaragua land light living machine meal mechanical ment method miles milk million mountains Oliver Typewriter open stair operation orange photograph piles plant potatoes pounds Printype produce profit Pullman Company pumping railroad river rope sand seeds ship speed sponge Standard Oil steel stomach stone streams street sugar beets tenement thousands tion town train trees tunnel Typewriter United woman York