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 257
HI Fig. lo. age than jiarallel connection, and thecells must be of sutticient E.M.F. toring the bells satisfactorily. Severalbells may be connected in this way, ifdesired, u]) to tlic limic of voltage of thebattery. iig- 1»J- Oftentimes a bell is to be iiing from se\eral different jilaces.For… … 229 10 ELPXTRIC BELL WTfiING several floors, or tlie bell in the oflice of a liotel may Ik? riiiif^ fromany one of several different rooms. In tliis case it is necessary to]ia\e some device to iiidicHte from whicli jiiisli tlu- l»cll was nin^.Tiie annunciator furnishes this information very well. A…
Electrical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-699-404.webp)
