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The Study of Elementary Electricity and Magnetism by Experiment: Containing Two Hundred Experiments Performed with Simple, Home-made Apparatus
dinThomas M. St. JohnCărți electronice
How Two Boys Made Their Own Electrical Apparatus: Containing Complete Directions for Making All Kinds of Simple Apparatus for the Study of Elementary Electricity
dinThomas M. St. JohnCărți electronice
The Study of Elementary Electricity and Magnetism by Experiment: Containing Two Hundred Experiments Performed with Simple, Home-made Apparatus
dinThomas M. St. JohnCărți electronice
How Two Boys Made Their Own Electrical Apparatus: Containing Complete Directions for Making All Kinds of Simple Apparatus for the Study of Elementary Electricity
dinThomas M. St. John