W. James (William James) King

Published as W. James King and William James King, he is credited by Project Gutenberg with The Natural Philosophy of William Gilbert and His Predecessors. The book examines the ideas that came before and around Gilbert's work, showing an interest in the long development of scientific thought rather than just a single discovery.

Other catalog records also connect him with writing on the history of electrical technology, including work on the early arc light and generator. Based on the sources I could confirm here, he appears to have written mainly in the history of science and technology, with a particular focus on electricity and magnetism.

I could confirm the birth year given in library-style author listings, but I did not find enough reliable biographical detail in the available sources to say more about his life with confidence.