1945 NY Daily News newspaper JAPAN SURRENDERS WW II ENDS + US secret of RADAR re for Sale

1945 NY Daily News newspaper JAPAN SURRENDERS WW II ENDS + US secret of RADAR re For Sale

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1945 NY Daily News newspaper JAPAN SURRENDERS WW II ENDS + US secret of RADAR re:
$30.00

1945 NY Daily News newspaper with headlineJAPAN SURRENDERS and WW II ENDS +the US reveals the secret of RADAR in winning WW II -

- inv #1J-402

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SEE PHOTO-----COMPLETE, ORIGINALNEWSPAPER,theNY Daily News dated August 15, 1945. This newspapercontains a front page headline: \"\"ITS OFFICIAL / JAPS GIVE UP\" with news of the end of WW II. This also contains an inside page headline, photos, and a long detailed report disclosing publicly for the first time the existence of RADAR, the technology that helped the US and its Allies win WW II.

The history of radar (where radar stands for RAdio Detection And Ranging) started with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell\'s seminal work on electromagnetism. However, it was not until the early 20th century that systems able to use these principles were becoming widely available, and it was German inventor Christian Hülsmeyer who first used them to build a simple ship detection device intended to help avoid collisions in fog (Reichspatent Nr. 165546). Numerous similar systems, which provided directional information to objects over short ranges, were developed over the next two decades.

The development of systems able to produce short pulses of radio energy was the key advance that allowed modern radar systems to come into existence. By timing the pulses on an oscilloscope, the range could be determined and the direction of the antenna revealed the angular location of the targets. The two, combined, produced a \"fix\", locating the target relative to the antenna. In the 1934–1939 period, eight nations developed independently, and in great secrecy, systems of this type: the United Kingdom, Germany, the United States, the USSR, Japan, the Netherlands, France, and Italy. In addition, Britain shared their information with the United States and four Commonwealth countries: Australia, Canada, New Zealand, and South Africa, and these countries also developed their own radar systems. During the war, Hungary was added to this list. The term RADAR was coined in 1939 by the United States Signal Corps as it worked on these systems for the Navy.

Progress during the war was rapid and of great importance, probably one of the decisive factors for the victory of the Allies. A key development was the magnetron in the UK, which allowed the creation of relatively small systems with sub-meter resolution. By the end of hostilities, Britain, Germany, the United States, the USSR, and Japan had a wide diversity of land- and sea-based radars as well as small airborne systems. After the war, radar use was widened to numerous fields including: civil aviation, marine navigation, radar guns for police, meteorology and even medicine. Key developments in the post-war period include the travelling wave tube as a way to produce large quantities of coherent microwaves, the development of signal delay systems that led to phased array radars, and ever-increasing frequencies that allow higher resolutions. Increases in signal processing capability due to the introduction of solid state computers has also had a large impact on radar use.

Very good condition. This listing includes thecomplete entire original newspaper, NOT just a clipping or a page of it. STEPHEN A. GOLDMAN HISTORICAL NEWSPAPERS stands behind all of the items that we sell with a no questions asked, money back guarantee. Every item we sell is an original newspaper printed on the date indicated at the beginning of its description. U.S. buyers pay priority mail postage which includes waterproof plastic and a heavy cardboard flat to protect your purchase from damage in the mail. International postage is quoted when we are informed as to where the package is to be sent. We do combine postage (to reduce postage costs) for multiple purchases sent in the same package. We list thousands of rare newspapers with dates from 1570 through 2004 on each week. This is truly SIX CENTURIES OF HISTORY that YOU CAN OWN!

Stephen A. Goldman Historical Newspapers has been in the business of buying and selling historical newspapers for over 45 years. Dr. Goldman is a consultant to the Freedom Forum Newseum and a member of the American Antiquarian Society. You can buy with confidence from us, knowing that we stand behind all of our historical items with a 100% money back guarantee. Let our 45+ years of experience work for YOU ! We have hundreds of thousands of historical newspapers (and their very early precursors) for sale.