Harry winfield secor (46 risultati)

Single Issue Magazine. Condizione: Very Good. First Edition. Gernsback Publications , Philadelphia, PA , 1953 First edition Vintage Science Fiction magazine. Very good copy with edge wear, dust soiling, small spot stains to front cover, rear cover and contents page. See Photos mag 34/E, mag13. Various artists (illustratore). …

Condizione: New.

Condizione: New.

PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

Condizione: New.

Condizione: New.

Condizione: New.

PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

Condizione: New. In English.

Condizione: New.

HRD. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

Condizione: New.

Condizione: New.

Condizione: New. In English.

Cloth. Condizione: Used - Good. Experimenter Publishing Company, New York, 1920. 160 pages. Illustrated: circuit diagrams, equipment, antenna. 9 x 6", printed flexible cloth. Cover bit rubbed, soiled, creased, faint corner rippling, trifle shaken, G.

Paperback. Condizione: New. Print on Demand. This book provides a detailed and accessible guide to the foundational principles of radio apparatus. Written for the average reader, it covers the evolution of radio technology from its inception, exploring the functions and uses of various radio apparatuses with clarity and simplicity. The author's expertise in radio telegraphy and telephony shines through as they delve into the intricacies of induction coils, transformers, condensers, spark gaps, and inductances. With a historical perspective and a focus on the underlying mathematical principles, this book empowers readers to design, construct, and troubleshoot their own radio equipment. Its insights into the fundamental workings of radio technology make it an invaluable resource for both hobbyists and professionals alike. 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.…

Paperback. Condizione: New. Print on Demand. This book introduces beginners to wireless telegraphy and focuses on the principles and applications of electrical fundamentals underpinning the technology. It starts with a review of static electricity before transitioning to current electricity and key related terminology, setting the reader up for understanding the dynamic nature of current electricity. The author provides insight on electrical units, circuits, variables like voltage and amperage, as well as generators, battery storage, and transformers. The guide covers the principles of magnetism, including basic properties, lines of force, and electromagnetic induction. An additional focus is provided on induction coils and transformers through the analysis of components, operation, and their use in wireless telegraphy. The book concludes with an introduction to dynamos, motors, and power transmission in the context of wireless telegraphy. 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.…

Kartoniert / Broschiert. Condizione: New.

Gebunden. Condizione: New. KlappentextThis work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the public domain in the United States of America, and possibly .

PF. Condizione: New. This item is printed on demand. Brand new book, sourced directly from publisher. Dispatch time is 6-7 days from our warehouse. Book will be sent in robust, secure packaging to ensure it reaches you securely.

PAP. Condizione: New. New Book. Shipped from UK. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.

PAP. Condizione: New. New Book. Delivered from our UK warehouse in 4 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.

HRD. Condizione: New. New Book. Shipped from UK. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.

Paperback / softback. Condizione: New. This item is printed on demand. New copy - Usually dispatched within 5-9 working days.

HRD. Condizione: New. New Book. Delivered from our UK warehouse in 4 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.