Start reading GEMA: Birthplace of German Radar and Sonar on your Kindle in under a minute. Don't have a Kindle? Get your Kindle here or start reading now with a free Kindle Reading App.

Deliver to your Kindle or other device

 
 
 

Try it free

Sample the beginning of this book for free

Deliver to your Kindle or other device

Sorry, this item is not available in
Image not available for
Colour:
Image not available
 

GEMA: Birthplace of German Radar and Sonar [Kindle Edition]

Harry von Kroge
2.0 out of 5 stars  See all reviews (1 customer review)

Print List Price: £99.00
Kindle Price: £90.29 includes VAT* & free wireless delivery via Amazon Whispernet
You Save: £8.71 (9%)
* Unlike print books, digital books are subject to VAT.

Free Kindle Reading App Anybody can read Kindle books—even without a Kindle device—with the FREE Kindle app for smartphones, tablets and computers.

To get the free app, enter your e-mail address or mobile phone number.

Formats

Amazon Price New from Used from
Kindle Edition £90.29  
Hardcover £95.04  
Earn a Free Kindle Book
Earn a Free Kindle Book
Buy a Kindle book between now and 31 March and receive a promotional code good for one free Kindle book. Terms and conditions apply. Learn more

Product Description

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.

Product details

  • Format: Kindle Edition
  • File Size: 3725 KB
  • Print Length: 206 pages
  • Publisher: Taylor & Francis (1 Jan. 2000)
  • Sold by: Amazon Media EU S.à r.l.
  • Language: English
  • ASIN: B00BPOCY18
  • Text-to-Speech: Enabled
  • X-Ray:
  • Word Wise: Not Enabled
  • Average Customer Review: 2.0 out of 5 stars  See all reviews (1 customer review)
  • Amazon Bestsellers Rank: #1,241,830 Paid in Kindle Store (See Top 100 Paid in Kindle Store)
  •  Would you like to give feedback on images?


More About the Author

Discover books, learn about writers, and more.

Customer Reviews

5 star
0
4 star
0
3 star
0
1 star
0
2.0 out of 5 stars
2.0 out of 5 stars
Most Helpful Customer Reviews
1 of 1 people found the following review helpful
2.0 out of 5 stars Maddening 26 Aug. 2010
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.
Comment | 
Was this review helpful to you?
Most Helpful Customer Reviews on Amazon.com (beta)
Amazon.com: 4.0 out of 5 stars  1 review
1 of 1 people found the following review helpful
4.0 out of 5 stars A necessary addition 19 Jan. 2011
By J. Sullivan - Published on Amazon.com
Format:Hardcover|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.
Was this review helpful?   Let us know
Search Customer Reviews
Only search this product's reviews

Customer Discussions

This product's forum
Discussion Replies Latest Post
No discussions yet

Ask questions, Share opinions, Gain insight
Start a new discussion
Topic:
First post:
Prompts for sign-in
 

Search Customer Discussions
Search all Amazon discussions
   


Look for similar items by category