The Technical World Magazine, Volume 4Technical World Company, 1906 |
From inside the book
Results 6-10 of 57
Page 235
... canals were built , from 20 to 150 feet wide , according to the area to be watered . The sides of the canals were raised from four to five feet with plows and scrapers or with grading machinery . Laterals were run from the main canals ...
... canals were built , from 20 to 150 feet wide , according to the area to be watered . The sides of the canals were raised from four to five feet with plows and scrapers or with grading machinery . Laterals were run from the main canals ...
Page 236
... canals near by , and the growing grain is flooded , at first lightly , but gradu- ally increasing in quantity of water un ... canal into the highest level ; and when this level is filled to the proper depth , the water overflows through ...
... canals near by , and the growing grain is flooded , at first lightly , but gradu- ally increasing in quantity of water un ... canal into the highest level ; and when this level is filled to the proper depth , the water overflows through ...
Page 237
... canal sys- tem ; the other , the pumping system . In the canal system , the water may be brought from a river or lake miles away . Some of the main canals are 100 feet or more in width , with water ten feet deep . Such canals are ...
... canal sys- tem ; the other , the pumping system . In the canal system , the water may be brought from a river or lake miles away . Some of the main canals are 100 feet or more in width , with water ten feet deep . Such canals are ...
Page 239
... canals an abundance of water at hand during the entire season for use as needed . Improved Machinery It is improved machinery that , more than anything else , has made possible the MECORMICK which permit the smaller particles to fall ...
... canals an abundance of water at hand during the entire season for use as needed . Improved Machinery It is improved machinery that , more than anything else , has made possible the MECORMICK which permit the smaller particles to fall ...
Page 241
... CANAL AT DULUTH , MINN . Clear Span , 381 % feet ; Depth of Truss , 50 feet ; Clear Height above Water , 135 feet . - Travel will be by means of a Suspended Car hung from bottom chords of truss . The Duluth bridge consists of two piers ...
... CANAL AT DULUTH , MINN . Clear Span , 381 % feet ; Depth of Truss , 50 feet ; Clear Height above Water , 135 feet . - Travel will be by means of a Suspended Car hung from bottom chords of truss . The Duluth bridge consists of two piers ...
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