Letters of a Radio-Engineer to His Son

"Letters of a Radio-Engineer to His Son" by John Mills is a scientific publication written in the early 20th century. This engaging work consists of a series of letters aimed at explaining the principles of radio technology to the author’s son, making complex subjects accessible and relatable. The letters cover a range of topics related to electricity and radio mechanics, focusing on the fundamental concepts that underpin modern radio communication. The opening of the book introduces the first letter, where the father directly addresses his son, expressing enthusiasm for his interest in radio-telephony. He outlines his intention to provide clear and simple explanations about the electrical components and principles involved, such as electrons and protons, forming the basis for understanding radio technology. He emphasizes the importance of these concepts for building and experimenting with radio sets and sets the stage for further discussions on electricity, batteries, and the intricacies of radio devices, thus establishing a foundation for the unfolding exploration of radio engineering.