Radar e (6 Ergebnisse)
- Softcover
Anbieter: FIRENZELIBRI SRL, Reggello, FI, ItalienFIRENZELIBRI SRL
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Zustand: BUONO. Paris, Klincksieck cm.15,5x23, pp.338, brossura con cop.fig. Collana Philosophia.
- Hardcover
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Hardcover. Zustand: New. Zustand des Schutzumschlags: Fair. private library liquidation. Blue cloth hard stamp. Fading. Age spots. Dj has creasing, shelf, edge, corner wear.
The Book of Practical Radio
Scott-Taggart, John [Wing Commander John Scott-Taggart OBE, MC (1897 - 1979) was a British radio engineer who served with distinction in both World Wars, applying his technical expertise firstly in radio, and then in radar, to the war efforts. However, he was best known for his work in the inter-war years, where he became a leading writer of magazine articles and books on radio topics, gaining particular notability with the public for the many popular radio sets he designed for the large home constructor market].
Verlag: Published by The Amalgamated Press Ltd., The Fleetway House, Farringdon Street, London First Edition . 1934., 1934
- Hardcover
- Erstausgabe
Anbieter: Little Stour Books PBFA Member, Canterbury, Vereinigtes KönigreichLittle Stour Books PBFA Member
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Zustand: Gebraucht - Gut
EUR 9,59
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In den WarenkorbZustand: Very Good. First edition hard back binding in publisher's original black cloth covers, gilt title and author lettering to the spine, blind tooling to the front panel. 8vo. 8½'' x 6''. Contains 320 printed pages of text with 163 monochrome diagrams and 63 photographic plates throughout. Mottling to the front cover, softe…ned spine ends, age darkened closed page edges and in Very Good condition, no dust wrapper. Member of the P.B.F.A. RADIO [Wireless Telephony].
Verlag: Archives et Musee de la Litterature / Centre d'etudes poetiques bibliotheque royale, 1989
- Softcover
- Magazin//Zeitschrift
Anbieter: Le-Livre, SABLONS, FrankreichLe-Livre
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Zustand: Gebraucht - Gut bis sehr gut
EUR 20,90
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In den WarenkorbCouverture souple. Zustand: bon. RO20278722: 1989. In-8. Broché. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. 34 PAGES. . . . Classification Dewey : 70.49-Presse illustrée, magazines, revues.
Weitere BilderJohn "Cat's-Eyes" Cunningham | The Aviation Legend (Signed + Signed 'The Night Blitz 16-22 November 1940' Flown Cover)
Golley, John [John "Cat's-Eyes" Cunningham CBE, DSO & Two Bars, DFC & Bar, AE (27 July 1917 - July 2002), was a Royal Air Force night fighter ace during the Second World War and a test pilot. During the war, he was nicknamed 'Cat's Eyes' by the British press to explain his successes and to avoid communicating the existence of airborne radar to the enemy].
Verlag: Published by Airlife Publishing Ltd., 101 Longden Road, Shrewsbury First Edition . 1999., 1999
- Hardcover
- Erstausgabe
- Signiert
Anbieter: Little Stour Books PBFA Member, Canterbury, Vereinigtes KönigreichLittle Stour Books PBFA Member
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Zustand: Gebraucht - Sehr gut
EUR 119,87
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In den WarenkorbZustand: Fine. First edition hard back binding in publisher's original sea blue paper covered boards, blocked and lettered gilt back. 8vo. 9½'' x 6¼''. Contains 225 pp with splendid archive monochrome photographs throughout. Fine condition book in Fine condition price clipped dust wrapper. Printed illustrated Beaufighter bookpla…te to the half-title page SIGNED in blue fountain ink 'John Cunningham' + No. 963 of 1142 'The Night Blitz 16-22 November 1940' flown cover SIGNED John Cunningham to the front cover | 30 December 1990 post office stamp, two further stamps to the rear | Royal Air Force Halton (15 March 1991) and Army Air Corps Centre (15 March 1991) | certification signed by Group Captain W. S. O. Randle. Three information card cachet inserts. Dust wrapper supplied in archive acetate film protection. Member of the P.B.F.A. AVIATION & AERONAUTICS.
Ueber sehr schnelle electrische Schwingungen. (+) Nachtrag zu der Abhandlung über sehr Schnelle electrische Schwingungen.
"HERTZ, H. (HEINRICH RUDOLF). - THE BIRTH OF RADIO-COMMUNICATION, TELEVISON AND RADAR
- Softcover
- Erstausgabe
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In den WarenkorbLeipzig, Johann Ambrosius Barth, 1887. Without wrappers as issued in "Annalen der Physik und Chemie. Hrsg. von G. Wiedemann.", Neue Folge Bd. 31, 7. Heft. With the titlepage to vol. 31. Pp. 337-544 a. 2 folded plates, (entire issue offered "Heft" 7). Hertz's paper: pp. 421-448 A. PP. 543-544. A Stamp on titlepage and verso of. C…lean and fine. First edition of Hertz's seminal paper on electromagnetic waves in which he empirically demonstrates Maxwell's equations. This discovery and its demonstration led directly to the invention radio of communication, television and Radar. The paper is the "ANNOUNCEMENT OF THE DISCOVERY OF THE PRODUCTION BY ELECTRICAL DISCHARGE OF WAVES WHICH HAVE THE PROPERTY OF VERY LONG WAVES"(H.M. Evans).Hertz demonstrates what Maxwell had predicted that electromagnetic waves radiated in space with the speed of light. Hertz determined these waves to be of greater length than light and that they could be reflected."Experimental proof by Hertz of the Faraday-Maxwell hypothesis that electrical waves can be projected through space was begun in 1887, eight years after Maxwell's death. The two main requirements were (a) a method of producing the waves, supposing that they existed, and (b) a method of detecting them once they were produced." (PMM, 377.). In the present paper Hertz "describes the apparatus that he had devised for the detection and measurement of electromagnetic waves, the key to his later success. To prove that electromagnetic waves can be projected through space it was necessary to devise a means of both producing the waves and, more difficult at the time, of detecting them once produced." (Norman Library, No. 1123)."Hertz's researches on electrical waves vindicated the Helmholtz ideal of the physicist as one whose competences embraced both experiment and mathematics. Hertz entered physics at the right time for one of his abilities to make a critical contribution" because the outstanding problem of physics was the disorderly condition of electrodynamics, what was needed was someone with the theoretical power to analyze the competing theories and with the experimental judgment to produce the evidence that would persuade the physical community that a decision between the theories had been reached." (DSB, VI, 348b.)"In the early 1890's the young inventor Guglielmo Marconi read of Hertz's electric wave experiments in an Italian electrical journal and began considering the Possibility of communication by wireless waves. Hertz's work initiated a technological development as momentous as it physical counterpart." (DSB, VI, 349a.).
