[Trade Journal]
Publication: Elementary Treatise on Physics Experimental and Applied
New York, NY, United States
vol. 10, p. 786
The connection between two stations is made by means of galvanized iron wire suspended by porcelain supports (fig. 750), which insulate and protect them against the rain, either on posts or against the sides of buildings. In England and other moist climates special attention is required to be paid to the perfection of the insulation.
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Fig. 750 |