International Library of Technology · Scranton, International Textbook Co. · leaf 133
:tfS … Fig. 20. These three strands are then twisted together and coveredwith a wrapping of paper y1^ inch thick, over which the^-inch lead covering is forced. The paper is treated withinsulating compound and the space between the strands,shown black in the figure, is filled with jute treated…
Electrical engineering
Internet Archive · Boston Library Consortium · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.], 1902, leaf 133](https://img.insideoutlibrary.com/img/1024/ia-electricengineer03inte-133-72.webp)
