The Technical World Magazine, Volume 15Technical World Company, 1911 |
From inside the book
Results 6-10 of 100
Page 50
... twenty - four feet to the navigable depths of the open river below Keokuk . At an annual cost of $ 50,000 the government has maintained this canal for forty years . Within the next two years it will have disappeared under twenty feet of ...
... twenty - four feet to the navigable depths of the open river below Keokuk . At an annual cost of $ 50,000 the government has maintained this canal for forty years . Within the next two years it will have disappeared under twenty feet of ...
Page 52
... twenty- one feet . At high water , therefore , the plan is to use all three turbines to drive the generator , when the head is least , but the flow is abundant ; at low water , when the head is large , two , or even one , of the ...
... twenty- one feet . At high water , therefore , the plan is to use all three turbines to drive the generator , when the head is least , but the flow is abundant ; at low water , when the head is large , two , or even one , of the ...
Page 55
... twenty - two to twenty - six feet in depth . Another feat of Mr. Cooper's was putting in the Me- Call Ferry dan in the Susquehanna river , 3,100 feet long , sixty feet high , and developing 135,000 water - power . The Keokuk dam ...
... twenty - two to twenty - six feet in depth . Another feat of Mr. Cooper's was putting in the Me- Call Ferry dan in the Susquehanna river , 3,100 feet long , sixty feet high , and developing 135,000 water - power . The Keokuk dam ...
Page 56
... New York . But the systems of electrification which are used upon these lines are not uniform . For example , the New York , New Haven and Hartford has twenty - one I 2239 miles of its main lines , making one hun-. 56.
... New York . But the systems of electrification which are used upon these lines are not uniform . For example , the New York , New Haven and Hartford has twenty - one I 2239 miles of its main lines , making one hun-. 56.
Page 57
... twenty - one miles of the run on the New Haven tracks the trains are operated from over- head trolley wires by alternating current taken aboard the locomotive at 11,000 volts . For the twelve miles on the New York Central tracks they ...
... twenty - one miles of the run on the New Haven tracks the trains are operated from over- head trolley wires by alternating current taken aboard the locomotive at 11,000 volts . For the twelve miles on the New York Central tracks they ...
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