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Cyclopedia of applied electricity : a practical guide for electricians, mechanics, engineers, students, telegraph and telephone operators, and all others interested in electricity (1905)

American School (Chicago, Ill.) · Chicago : American School of Correspondence · leaf 421

An illustration from Cyclopedia of applied electricity : a practical guide for electricians, mechanics, engineers, students, telegraph and telephone operators, and all others interested in electricity, 1905, leaf 421
ability to resist puncture, andto hold back the surface leakage of current, before they are putinto practical use on high-tension lines. Experience has shownthat inspection alone cannot be depended on to detect defective 384 INSULATORS glass insulators that will fail when put into service on… … INSULATOR. ARC TO METAL PIN AT 96.000 VOLTS.Precipitation % inch per minute. Diameter 14.30 above horizontal. Height 12. Duration of test, 15 minutes. Weight 23 lbs. 385 INSULATORS tliroiiojli their substante. Tt is also ])Ossil»le to dcttMiiiiiic tlic volt-ao;e that will cause a disruptive…

Electrical engineering

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