Letters of a Radio-Engineer to His Son

** "Letters of a Radio-Engineer to His Son" by John Mills is an educational book from the early 1900s. Presented as a collection of letters from a father to his son, it simplifies the science behind early radio technology so young people can understand it. The book dives into the basics of electricity and radio, such as how electrons and protons work, to explain how radios function. The father's letters kick off by showing his excitement for his son's interest in radio and promising to guide him through electrical parts and ideas in an easy way. These letters are a starting point for exploring the concepts of radio engineering and are meant to help the son learn how to work with radio equipment. **