""High Frequency Apparatus: Its Construction And Practical Application"" is a technical book written by Thomas Stanley Curtis in 1916. The book provides a comprehensive guide to the construction and usage of high-frequency apparatus, which were used for various scientific and medical purposes at the time. The author discusses the principles of high-frequency currents, the different types of high-frequency apparatus, and their components, including transformers, condensers, and oscillation valves. The book also covers practical applications of high-frequency apparatus, including electrotherapy, wireless telegraphy, and radio communication. The author provides detailed instructions on how to construct and operate high-frequency apparatus, including safety precautions and troubleshooting tips. This book is a valuable resource for scientists, engineers, and medical professionals interested in the history and development of high-frequency technology.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.