A fascinating early 20th Century look at the science of electricity, including some of the interesting and sometimes bizarre uses that early inventors found for the electrical force, such as Edison's electromagnetic pen (a very early form of photocopier), an instrument that could detect the level of starlight, and even (don't try this one at home kids!) a method for electro-plating lizards!

© 2012 Andrews UK (eBook): 9781781669327

Data wydania

eBook: 22 czerwca 2012