Wimshurst Machine

[Tomata]

a) Wimshurst Machine,where the energy come from ?

b)Can anyone point me to a book so i can find a satisfying answer ?

[realmikel]

Book AD Moore's Electrostatics
Examples to understand are the first simple electrostatic induction machines. I like the three handles attached to three plates of metal and the sequence used to double the voltage. Most machines developed after that only mechanize the process.