The ICS Telephone and Telegraph Engineers' Pocketbook from 1908 is a rare and valuable collectible for those interested in engineering and communication technologies. This hardcover book, written in English, contains charts and graphs to assist in understanding complex concepts. Published by International Textbook Co., this pocketbook serves as a valuable resource for students and professionals in the fields of science and medicine, offering insights into telecommunication advancements in the early 20th century.