This is a rare hardcover resource book titled "Radiokalender 1928" authored by Dr. Noack and H. Henning. It covers the subject area of radios and is written in German. The book was published by Dr. Niehaus & Meinecke in Germany.

It is a great addition to any collection or a valuable resource for those interested in the history of radios. The publication year of this book is 1927 and it belongs to the Books & Magazines, Textbooks, Education & Reference, and Textbooks categories.