theory. The opening of this dictionary includes transcriber's notes that acknowledge the corrections of errors and the challenges of maintaining contemporary relevance given the rapidly evolving nature of electrical science. Sloane's preface outlines the purpose of the dictionary as a practical tool aimed at a growing audience interested in the intricacies of electricity, while also addressing the limitations caused by the vastness of the subject matter. The text sets a foundational tone for readers, encouraging them to utilize the indexes and synonyms to navigate through the extensive terminologies to locate and understand the complexities of electrical engineering effectively. (This is an automatically generated summary.)