Complex sentence: Instead, he purchased a publication called "ABC of Radio" on how to build one yourself, got the parts and did so with the help of a local machinist and inventor named Fred E. Hake.
Split into simpler sentences: Instead, he purchased a publication called "ABC of Radio" on how one could build his own radio. He got the parts and did so with the help of a local machinist and inventor named Fred E. Hake.