. Electrical world. in breakage, as it isalmost impossible to pack large insulators in baskets on mules andburros for two or three miles without some damage. Transportation was a big item, both from the States and after thematerial was unloaded from the cars. On the rough section of theline wagon roads were very scarce, and it was often necessary topack construction materials for four or five miles over rough Guanajuato towers (Figs, i and 2) weigh 1,500 pounds apiece,and are of the four-post wind mill type, standing 40 ft. above theground, on a base 8 ft. square. As in wind mill to
. Electrical world. in breakage, as it isalmost impossible to pack large insulators in baskets on mules andburros for two or three miles without some damage. Transportation was a big item, both from the States and after thematerial was unloaded from the cars. On the rough section of theline wagon roads were very scarce, and it was often necessary topack construction materials for four or five miles over rough Guanajuato towers (Figs, i and 2) weigh 1,500 pounds apiece,and are of the four-post wind mill type, standing 40 ft. above theground, on a base 8 ft. square. As in wind mill towers, about thetop is a square wooden platform extremely convenient to work top insulator pin screws on the end of a 3-in. iron pipe extending6 ft. above the top of the tower. The two 4-in. channels forming thecross arm clamp about the base of this pipe, and the square bases ofthe cross arm pins fit between these channels. The towers are notset in concrete, as is sometimes the custom with iron poles, but the.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectelectri, bookyear1883
