- Hardcover: 206 pages
- Publisher: Taylor & Francis (1 Jan 2000)
- Language English
- ISBN-10: 0750307323
- ISBN-13: 978-0750307321
- Product Dimensions: 24.2 x 16.1 x 1.7 cm
- Average Customer Review: 2.0 out of 5 stars See all reviews (1 customer review)
- Amazon Bestsellers Rank: 2,153,329 in Books (See Top 100 in Books)
- See Complete Table of Contents
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Review
"This is a detailed, professional-level book with ample technical coverage of the various sets, production figures for each model, proper citation of sources, and name and subject indexes. It does an excellent job of reconstructing the company's history despite the passage of time and the wartime loss of records. The photographs of the various radar sets are plentiful and of unusually good quality. Tube Collector "This will be an essential text for specialists, and an informative read for those with a general interest in the field" Dr John Beavis, Transmission Lines "If you want to have a well rounded, complete perspective on the birth and development of radar, GEMA: Birthplace of German Radar and Sonar is essential. QST" .. a very welcome addition to the literature." Centaurus - 2001 .." the work really is worth reading." IEEE AES Systems Magazine "Offers rare technical descriptions as well as information about industrial and scientific cooperation involving secret equipment in Germany before 1945" Book News "All in all, the volume is well written, perhaps partly due to Brown's involvement." History of Physics Newsletter, Volume VIII, No. 5 s a detailed, professional-level book with ample technical coverage of the various sets, production figures for each model, proper citation of sources, and name and subject indexes. It does an excellent job of reconstructing the company's history despite the passage of time and the wartime loss of records. The photographs of the various radar sets are plentiful and of unusually good quality. Tube Collector "This will be an essential text for specialists, and an informative read for those with a general interest in the field" Dr John Beavis, Transmission Lines "If you want to have a well rounded, complete perspective on the birth and development of radar, GEMA: Birthplace of German Radar and Sonar is essential. QST" .. a very welcome addition to the literature." Centaurus - 2001 .." the work really is worth reading." IEEE AES Systems Magazine "Offers rare technical descriptions as well as information about industrial and scientific cooperation involving secret equipment in Germany before 1945" Book News "All in all, the volume is well written, perhaps partly due to Brown's involvement." History of Physics Newsletter, Volume VIII, No. 5
Product Description
In Germany, the development of the first technologies of sonar and radar were interrelated. Following Christian Hülsmeyer's forgotten invention of the "Telemobiloskop" in 1904, two Berlin engineers, Paul Günther Erbslöh and Hans-Karl von Willisen, developed and built devices to locate targets accurately by reflections with underwater sound and radio waves. In 1934, they found their own company for this work, called Gesellschaft für Elektroakustische und Mechanische Apparate (GEMA), which became the birthplace of their famous Freya air-warning and Seetakt ocean-surveillance radars.
Harry von Kroge has devoted decades to collecting a mass of statements and widely scattered documentary material about the evolution of GEMA's sonar and radar. GEMA: Birthplace of German Radar and Sonar, the English edition of von Kroge's first important, seminal work, discusses previously unavailable parts of the fascinating story of pioneering efforts in learning to see in the darkness. It relates the fascinating story of how German radar and sonar were developed in the years leading up to and during World War II. The author provides insights into the difficulties encountered on the way to the first promising results in target detection and ranging without optical visibility. The book includes rare technical descriptions as well as information about industrial and scientific cooperation involving secret equipment in Germany before 1945.
Harry von Kroge has devoted decades to collecting a mass of statements and widely scattered documentary material about the evolution of GEMA's sonar and radar. GEMA: Birthplace of German Radar and Sonar, the English edition of von Kroge's first important, seminal work, discusses previously unavailable parts of the fascinating story of pioneering efforts in learning to see in the darkness. It relates the fascinating story of how German radar and sonar were developed in the years leading up to and during World War II. The author provides insights into the difficulties encountered on the way to the first promising results in target detection and ranging without optical visibility. The book includes rare technical descriptions as well as information about industrial and scientific cooperation involving secret equipment in Germany before 1945.
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First Sentence
A number of circumstances caused me to probe into the history of a corpora that had considerable importance for radar technology in Germany from it's beginning until 1945. Read the first page
Front Cover | Copyright | Table of Contents | Excerpt | Index | Back Cover
A number of circumstances caused me to probe into the history of a corpora that had considerable importance for radar technology in Germany from it's beginning until 1945. Read the first page
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Front Cover | Copyright | Table of Contents | Excerpt | Index | Back Cover
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Customer Reviews
Most Helpful Customer Reviews
Format:Hardcover
This book is quite disappointing. While the subject matter is fascinating - as GEMA was a company dedicated exclusively to the development and production of German WW II radar and sonar, which ceased to exist with the end of the war, and there are virtually no company-specific studies of any kind in the area- it completely lacks focus and any sort of organization aside from a vaguely chronological framework. The author is given to rhapsodizing the company owners and the products, as well as to amassing rather disconnected data, without, however, doing any sort of analysis. This is a pity, for the story it tells it is quite interesting. It is clear from the work, btw, if you analyse the information -a task the author completely ignores- that GEMA, originally established as a research and development company -in itself a peculiarly German institution- was forced to move into high-scale production and basically lost its R&D capability by 1942, being capable only of incremental work thereafter.
Most Helpful Customer Reviews on Amazon.com (beta)
Amazon.com:
1 review
A necessary addition
19 Jan 2011
Format:Hardcover|Amazon Verified Purchase
If you are studying the history of WWII, or of radar, or of the Luftwaffe, this small book is a necessary part of your library. Well done & authoritative but not for kids. Excellent detail photos of large raedar antenna installations.
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