Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 253
rough the spring, A, the platinumstrip, the rod, D, and the vertical standard, heating the platinumto incandescence. Should the current increase so as to brinp:the temperature of the platinum nearly to the melting point, thestrip expands until the spring, A, touches the end of the rod, B,when a…
Electrical engineering
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten07unit-145-112.webp)
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten10unit-649-446.webp)
