Problems of adequate protection against intersecting overhead high-tension electric lines at road crossings; line material and factors of safety; extra large factor of safety against breaking or grounded secondary lines over road crossing to receive falling high-tension lines; economical aspects. Paper read at 4th Northern Congress for Electrotechnic in Finland, June 1929. (See also - (discussion) Forhandlinger, 1929, pp. 23-28, 8 figs.)
Line crossings
Om linjekyssninger
1929
8 pages
Article (Journal)
English
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