Description
An Unabridged Printing With Text And All Illustrations Digitally Enlarged – A Practical Book On The Construction And Use Of Induction Coils, Containing Full Illustrations For Making A Shocking Coil, A One Half Inch Spark Coil, A Four Inch Spark Coil, And Also Hints On Experiments With Induction Coils. Chapters include: the principles of electrical induction – practical hints on the construction of induction coils – how to make a shocking coil – how to increase the efficiency of sparking coils – particulars of coils for various lengths of spark (with tables) – experiments with the induction coil
