An Unabridged Printing Of The Classic Translation By Wharton: Formula For Electromagnets - Conditions Of Maximum For Electromagnets On A Simple Circuit - Conditions Of Maximum On Compound Circuits - Application Of The Laws Of Maximum To The Construction Of Electromagnets - Numerical Examples Of The Application Of The Preceding Formulas - Experimental Verification Of The Laws Of Electromagnets - Effects Of A More Or Less Complete Magnetic Saturation - Conditions For The Good Construction Of Electromagnets - On The Best Grouping Of The Cells Of A Battery - Tables