Modern electrical construction; a reliable, practical guide for the beginner in electrical construction, showing the latest approved methods of installing work of all kinds according to the safety rules of the National board of fire underwriters (1905)
Horstmann, Henry C[harles], 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] joint author · Chicago, F. J. Drake & Co. · leaf 228
, smoked the ceiling witha candle in order to deceive an inspector. In several cases where an over-all test of insulation re-sistance was made, meter loops which had been run in con-tinuous pieces were found with the wire nicked with a knifeand then broken, leaving the insulation nearly intact, but…
Electrical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten10unit-717-488.webp)
