Hartree douglas (21 Ergebnisse)
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Zustand: New. pp. 152.
Verlag: Oxford: Clarendon Press, 1952
- Hardcover
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In den WarenkorbHardcover. Zustand: Good. xiv 287p navy hardback, somewhat scuffed and faded boards, spine with old library marks, from a Cambridge college library, text clean with odd light pencil marks, binding still tight, hinges a bit rubbed Language: English.
Verlag: Oxford University Press, 1955
- Hardcover
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In den WarenkorbHardcover. Zustand: Good. xiv 287p original cloth worn with age and use, with the chapter on Organisation of Calculations for an Automatic Machine, from a Cambridge college library with signs of wear Language: English.
- Softcover
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Paperback. Zustand: Brand New. 154 pages. 8.98x5.98x0.71 inches. In Stock.
- Hardcover
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In den WarenkorbClarendon Press, Oxford 1955. Second printing. xiv, 287 pp. Publisher's cloth. Bookplate. Fine condition.
Verlag: Oxford University Press, 1955
- Hardcover
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In den WarenkorbHardcover. Zustand: Very Good. xiv 287p cloth, dustjacket (small tear), with an important chapter on Organisation of Calculations for an Automatic Machine, this copy was formerly owned by Prof Cassells of Cambridge Language: English.
Weitere BilderSprache: Englisch
Verlag: The Royal Institution, London, 1944
- Softcover
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In den WarenkorbSoft cover. Zustand: Near Fine. 1st Edition. Pamphlet in self-wraps, as issued, 216 x 139mm; pp. 1-[30]. EXCEPTIONALLY SCARCE SEPARATE PRINTING OF HARTREE'S IMPORTANT LECTURE ON THE DIFFERENTIAL ANALYZER Hartree's comprehensive lecture on the 'differential analyser' with photographs of the Manchester analyser, and Hartree's pion…eering Meccano model. The Differential Analyser was invented by Vannevar Bush, and first described in print in 1931; Bush's invention was the culmination of a line in computer design that goes back to the work of James and William Thomson (Lord Kelvin), most famously the latter's tide-predicting machine. The Differential Analyser was hugely successful, circulating around the world via the unconventional medium of the children's construction-set Meccano. Near fine condition: staples slightly rusty, otherwise in exceptional condition. Just a single copy located on OCLC, at the University of Waterloo Libraries. Not in Origins of Cyberspace.
Verlag: Cambridge at the University Press, London, 1950
- Hardcover
- Erstausgabe
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In den WarenkorbHardcover. Zustand: Very Good. Zustand des Schutzumschlags: Good. First Edition. Very good hardback copy in slightly shelfworn dustjacket. ix, 138pp., b/w illustrations Size: 9.75" x 6.5" (25x17cms). Book.
Verlag: Oxford: Clarendon Press, 1964
- Hardcover
Anbieter: Antiquariat Smock, Freiburg, DeutschlandAntiquariat Smock
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In den WarenkorbZustand: Akzeptabel. Formateinband: Leinen / gebundene Ausgabe XVI, 302 S. (24,5 cm) Reprint of the 2nd edition; Exemplar aus Institutsbibliothek mit Standortschild am Rücken, Stempel u. kl. Barcodeklebern, mit Klarsichtfolie überzogen; sonst in gutem Zustand. Sprache: Englisch Gewicht in Gramm: 950 [Stichwörter: Numerische Anal…ysis].
Verlag: University Press, 1938., In: Proceedings of the Cambridge Philosophical Society, Vol. 34, 1938. Cambridge:, 1938
- Hardcover
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In den Warenkorb254 x 181 mm. Tall 8vo. Pages 550-558. [Entire volume: viii, 645, [2] pp.] 4 tables. Quarter navy morocco, morocco corners, raised bands, gilt spine; spine lightly faded. Blind stamp of the Carnegie Institution of Washington, Mount Wilson Observatory. Fine. "Hartree and his collaborators evaluated wave functions for more than tw…enty-five different atomic species in various states of ionization. Through his stimulus and encouragement many more atoms were investigated by physicists throughout the world. Hartree's equations as generalized by V. Fock proved to be extremely valuable in theoretical calculations in sold state physics." DSB, VI, p. 147.
Weitere BilderVerlag: University of Illinois Press, Urbana, 1949
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In den WarenkorbHardcover. Zustand: very good. First Edition. This book was based on a short series of lectures given by the author at the University of Illinois in 1948. Intended as a general introduction illustrated by Hartree's personal experiences working with ENIAC and the Harvard Mark I, a pioneering work with calculating instruments and…machines. Author's first book. Douglas Rayner Hartree FRS was an English mathematician and physicist most famous for the development of numerical analysis and its application to the Hartree Fock equations of atomic physics and the construction of a differential analyzer using Meccano. Boards with light edge-wear. First Edition. 7" - 10". Book.
Verlag: Clarendon Press, 1952., Oxford:, 1952
- Hardcover
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Anbieter: Jeff Weber Rare Books, Neuchatel, NEUCH, SchweizJeff Weber Rare Books
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In den Warenkorb8vo. xiv, 287 pp. 31 figs., bibliog., index. Navy cloth, gilt spine, dust-jacket. Ownership rubber stamps of Robert L. White. Fine. FIRST EDITION. "Calculation originally, and over a long period, meant numerical calculation â" the repertoire of arithmetical operations such as addition, subtraction, multiplication and division, a…nd procedures such as extraction of square roots, which could be applied to arbitrary numbers: integers, fractions, and rational, irrational and transcendental numbers. Subsequent developments of such procedures into powerful methods for the solution of general mathematical problems in numerical terms came to known, in English, as numerical analysis." Ifrah, The universal history of computing, p. 69. DSB, VI, p. 148.
Weitere BilderVerlag: London Cambridge University Press, 1950
- Hardcover
- Erstausgabe
Anbieter: Shapero Rare Books, London, Vereinigtes KönigreichShapero Rare Books
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In den WarenkorbFirst UK edition, first impression; tall 4to; diagrams and monochrome illustrations from photographs throughout the text, neat contemporary ownership inscription to the front free endpaper, contents toned; original burgundy cloth, titles to spine gilt, spine rolled, cloth rubbed and marked, corners bumped, very good condition; 1…38pp. First UK edition of 'the first comprehensive exposition of electronic digital computing', originally published the previous year in the US. In addition to his significant contributions to ballistics and quantum theory, British mathematician Douglas Hartree (1897-1958) was a leader in efforts to automate scientific calculations. He was 'involved in the development of the digital electronic computer, which emerged from wartime attempts to automate calculation further. In 1946 Hartree's advice was sought in the application of the United States army's ENIAC (electronic numerical integrator and computer) to the production of ballistic tables' (Oxford Dictionary of National Biography). The present volume is 'based upon a series of lectures delivered at the University of Illinois in 1948. These lectures were intended for a well-informed scientific audience outside the tiny group of professionals then involved with electronic computing. They represented the first comprehensive exposition of electronic digital computing, and this book was one of the first two treatises on the subject. The other book, Edmund Berkley's Giant Brains or Machines That Think was written for a more popular audience and achieved greater sales. Reflecting Hartree's English background, this book contained more information on the English machines than did Berkley's. Foremost among the digital machines discussed in Hartree's work are the Harvard Mark I and ENIAC. Chapter 8, entitled "Projects and Prospects", contains the first generally available comprehensive account of the stored-program machines then in development, including EDVAC, ACE, and EDSAC' (Hook & Norman, Origins of Cyberspace 652). Hook & Norman, Origins of Cyberspace 652.
Weitere BilderVerlag: G. Bell and Sons, London, 1938
- Hardcover
- Erstausgabe
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In den WarenkorbHardcover. Zustand: Very Good. 1st Edition. 8vo; pp. xiii, 528; Hartree pp. 342-364 [whole volume offered]. A MECCANO DIFFERENTIAL ANALYZER. Hartree's important account of the 'differential analyser' with photographs of the Manchester analyser, and Hartree's pioneering Meccano model. The most comprehensive of the early essays on… the differential analyser, with diagrams and photographs illustrating the design, accounts of the use and applications of the machine, and a useful bibliography. The Differential Analyser was invented by Vannevar Bush, and first described in print in 1931; Bush's invention was the culmination of a line in computer design that goes back to the work of James and William Thomson (Lord Kelvin), most famously the latter's tide-predicting machine. The Differential Analyser was hugely successful, circulating around the world via the unconventional medium of the children's construction-set Meccano. Very good condition: not ex-library; spine with a 5mm split at the top, otherwise very good; internally clean and unmarked throughout; barely noticeable foxing to a handful of page edges, not affecting the Hartree essay. References: not in Origins of Cyberspace, but see no 317.
Weitere BilderVerlag: London G. Bell and Sons, 1950
- Softcover
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In den Warenkorb10-page offprint, 2 double-sided plates from photographs, diagrams within the text, a little mild creasing to contents; original green wrappers printed in black, wrappers a little toned at the edges and lightly rubbed with a few small marks, excellent condition. The uncommon offprint of this overview of the history and design of… calculating machines, including Babbage's Analytical Engine, the Harvard Mark I, and EDSAC. Not in Hook and Norman's Origins of Cyberspace. In addition to his significant contributions to ballistics and quantum theory, British mathematician Douglas Hartree (1897-1958) was a leader in efforts to automate scientific calculations. He was 'involved in the development of the digital electronic computer, which emerged from wartime attempts to automate calculation further. In 1946 Hartree's advice was sought in the application of the United States army's ENIAC (electronic numerical integrator and computer) to the production of ballistic tables' (Oxford Dictionary of National Biography).
Weitere BilderVerlag: University of Illinois Press, Urbana, 1949
- Hardcover
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In den WarenkorbHardcover. Zustand: Fine in Near Fine DJ. dj. First Edition. First Edition. Hardcover. "The first comprehensive exposition of electronic digital computing." [OOC 652] "These lectures were intended for a well-informed scientific audience outside the tiny group of professionals then involved with electronic computing. They represe…nted the first comprehensive exposition of electronic digital computing, and this book was one of the first two treatises on the subject. The other book, Edmund Berkeley's Giant Brains or Machines That Think was written for a more popular audience and achieved greater sales. . . . Chapter 8, entitled 'Projects and prospects,' contains the first generally available comprehensive account of the stored-program machines then in development, including EDVAC, ACE, and EDSAC." [OOC 652]. Minimal shelf/edge wear, else tight, bright, and unmarred; DJ shows minor shelf/edge wear, one small closed tear, else bright and clean. Orange cloth boards, black ink lettering. 8vo. 138pp. Illus. (b/w plates).
Weitere BilderVerlag: Macmillan & Co., London, 1946
- Hardcover
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In den WarenkorbHardcover. Zustand: very good. first edition. First printing of this critical work in the history of computing and a foundational text that launched a circulation through an international scientific journal. In "Nature", Vol 158. October - December, 1946. Entire volume offred with ENIAC [Electronic Numerical Integrator And Compu…ter] article Pp. 500-506. [Entire volume: Pp. 459-956]. Hartree, a British mathematician, first learned of ENIAC in 1945, when he saw the as-yetuncompleted machine during a visit to the Moore School at the University of Pennsylvania. It was here that this first general-purpose Turing complete digital electronic computer, was built between 1943 and 1946. The first computer course was given at the Moore School in Summer 1946, leading to an explosion in computer development all over the world. Hartree was a participant in the lectures, advising on nonmilitary uses of the ENIAC while being the first Englishman to work with the machine. Later, Hartree helped stimulate the development of more powerful computers like Cambridge University's EDSAC. The ENIAC was 10 feet high, and 3 deepand contained 18,000 vacuum tubes, about 70,000 resistors, 10,000 capacitors, and 6,000 switches. It consumed 140 kilowatts, so much power that when operated the lights in a nearbytown dimmed. Royal 8vo bound in contemporary cloth. Provenance: Bookplates stamps on front free end-papers of the University of Oxford. Near fine and clean. 7½" - 10". book.
Sprache: Deutsch
Verlag: Ohne Ort, 1951
- Softcover
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In den Warenkorb(29,5 x 21 cm). 12 S. Mit 8 Abbildungen. Original-Broschur. (Sonderdruck aus: Zeitschr. für angew. Mathematik und Mechanik). Erste Ausgabe eines Vortrags für die Jahrestagung der Gesellschaft für angewandte Mathematik und Mechanik in Darmstadt. - Es werden u.a. die Rechner Mark I, Eniac und EDSAC beschrieben. - Wohlerhalten. - D…SB 6, 147.
Verlag: October 12, 1946
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In den WarenkorbLarge 8vo, pp. lii, 956. Black buckram, spine lettered in gilt, library bookplate. The whole volume is offered, of which Hartree?s paper occupies pp. 500?506, with 3 photographic illustrations. FIRST EDITION. ?The first paper on an electronic digital computer published in a large-circulation international scientific journal.? Ha…rtree, a British mathematician, first learned of ENIAC in 1945, and the following year became the first Englishman to work with the machine. ?He was the first to bring news of ENIAC to Great Britain, publishing the above article in Nature shortly after his return from the United States.? Hook & Norman, Origins of cyberspace, 648.
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In den WarenkorbLondon, Macmillan & Co., 1946. 8vo. Without wrappers. Extracted from "Nature. No. 4015, Saturday, October 12, 1946, Vol. 158". A fine and clean copy. [Hartree:] Pp. 500-6. [Entire offered issue: Pp. 495-528]. First printing of this "first paper on an electronic digital computer published in a large-circulation international scie…ntific journal." (OOC).The ENIAC was the first general-purpose electronic computer. It was a Turing-complete [computationally universal] digital computer capable of being reprogrammed to solve a full range of computing problems."Hartree, a British mathematician, first learned of ENIAC [Electronic Numerical Integrator And Computer] in 1945, when he saw the as-yet uncompleted machine during a visit to the Moore School. In 1946 he returned to the Moore School as a participant in the Moore School lectures, advising on nonmilitary uses of ENIAC" during this time he became the first Englishman to work with the machine. He was the first to bring news of ENIAC to Great Britain, publishing the above article in Nature shourtly after his return from the United States. Although he himself invented no new calculating devices, Hartree's promotion of electronic digital calculating methods in scientific computation helped to stimulate the development of more powerful computers like Cambridge University's EDSAC." (OOC).The ENIAC was compared to today's standard rather large: It was 100 feet long, 10 feet high, and 3 deep and contained 18,000 vacuum tubes, about 70,000 resistors, 10,000 capacitors, and 6,000 switches. It consumed 140 kilowatts of power, so much power that, when operated, the lights in a nearby town dimmed.See: Hook & Norman. Origins of Cyberspace 648.
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In den WarenkorbHartree, Douglas R. (1897-1958). The ENIAC, an electronic computing machine. In Nature 158 (October 1946): 500-506. 8vo extract of 495-528pp. Text illustrations. 250 x 170 mm. Disbound. Corner torn from last leaf of number, affecting text, spine splitting. Very good copy. First Edition. The first paper on an electronic digital c…omputer published in a large-circulation international scientific journal. The ENIAC, developed during World War II by Pres Eckert and John Mauchly at the University of Pennsylvania's Moore School of Engineering, was the world's first large-scale general purpose digital computer. Hartree, a British mathematician, first learned of ENIAC in 1945, when he saw the as-yet uncompleted machine during a visit to the Moore School. In 1946 he returned to the Moore School as a participant in the Moore School lectures, advising on nonmilitary uses of ENIAC; during this time he became the first Englishman to work with the machine. He was the first to bring news of ENIAC to Great Britain, publishing the above article in Nature shortly after his return from the United States. Although he himself invented no new calculating devices, Hartree's promotion of electronic digital calculating methods in scientific computation helped to stimulate the development of more powerful computers like Cambridge University's EDSAC. Origins of Cyberspace 648. Randell 1982a, 473. .
