kirby berkner (4 risultati)

Soft cover. Condizione: Near Fine. First Separate Edition. Pp. 829-845 Of Bureau Of Standards Journal Of Research, Vol. 11, December 1933, Offprint.

Paperback. Condizione: New. Print on Demand. This book delves into the study of the ionosphere, a region in the Earth's atmosphere that reflects radio waves, enabling long-distance communication. The author, through extensive observations and experiments, sheds light on the ionosphere's structure and its variations throughout the day, different seasons, and under various magnetic conditions. The book provides a comprehensive understanding of the ionosphere's layers, particularly the E, F1, and F2 layers, and their critical frequencies, offering valuable insights into their behavior and impact on radio propagation. This in-depth analysis contributes to our knowledge of the ionosphere and its influence on our ability to communicate across vast distances. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.

LeatherBound. Condizione: New. BOOKS ARE EXEMPT FROM IMPORT DUTIES AND TARIFFS; NO EXTRA CHARGES APPLY. LeatherBound edition. Condition: New. Reprinted from 1933 edition. Leather Binding on Spine and Corners with Golden leaf printing on spine. Bound in genuine leather with Satin ribbon page markers and Spine with raised gilt bands. A perfect gift for your loved ones. Pages: 26 NO changes have been made to the original text. This is NOT a retyped or an ocr'd reprint. Illustrations, Index, if any, are included in black and white. Each page is checked manually before printing. As this print on demand book is reprinted from a very old book, there could be some missing or flawed pages, but we always try to make the book as complete as possible. Fold-outs, if any, are not part of the book. If the original book was published in multiple volumes then this reprint is of only one volume, not the whole set. Sewing binding for longer life, where the book block is actually sewn (smythe sewn/section sewn) with thread before binding which results in a more durable type of binding. Pages: 26 Volume Bureau of Standards Journal of Research, 11, No. 6 , p. 829. Research Paper 629 (RP629).

LeatherBound. Condizione: New. BOOKS ARE EXEMPT FROM IMPORT DUTIES AND TARIFFS; NO EXTRA CHARGES APPLY. LeatherBound edition. Condition: New. Reprinted from 1934 edition. Leather Binding on Spine and Corners with Golden leaf printing on spine. Bound in genuine leather with Satin ribbon page markers and Spine with raised gilt bands. A perfect gift for your loved ones. Pages: 44 NO changes have been made to the original text. This is NOT a retyped or an ocr'd reprint. Illustrations, Index, if any, are included in black and white. Each page is checked manually before printing. As this print on demand book is reprinted from a very old book, there could be some missing or flawed pages, but we always try to make the book as complete as possible. Fold-outs, if any, are not part of the book. If the original book was published in multiple volumes then this reprint is of only one volume, not the whole set. Sewing binding for longer life, where the book block is actually sewn (smythe sewn/section sewn) with thread before binding which results in a more durable type of binding. Pages: 44 Volume Bureau of Standards Journal of Research, 12, No. 1 , p. 15. Research Paper 632 (RP632).