St. John, Thomas M. (Thomas Matthew), b. 1865 · New York, T. M. St. John · leaf 18
TIONAI, ELECTRICITY. 15 With the modern machines large sparks are producedby merely turning a crank, enough eledtricity being pro-duced to imitate a small thunderstorm. The sparks ofhome-made lightning will jump several inches. Do not think that eledlricitj is generated in a com-mercial way by…
Electricity
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Common objects of the microscope [electronic resource] (1900)](https://img.insideoutlibrary.com/img/200/ia-49492157.2969.emory.edu-218-44.webp)
