The letter volume of Encyclopedia Britannica that inspired Michael Faraday to start experimenting was E (for electricity).
This captivated Michael Faraday to start experimenting by using old bottles and lumber, he made a crude electrostatic generator and did simple experiments. Michael Faraday became a renowned scientist who contributed to electromagnetism and electrochemistry studies. His main discoveries were the principles underlying electromagnetic induction, diamagnetism, and electrolysis.