Robert Eckert Jr (15 results)

Condition: Good. 806 pp., hardcover, ex library, else text clean and binding tight. - If you are reading this, this item is actually (physically) in our stock and ready for shipment once ordered. We are not bookjackers. Buyer is responsible for any additional duties, taxes, or fees required by recipient's country.…

hardcover. Condition: Very Good. Dust Jacket Condition: Acceptable. New York, 1972; gray cloth covered boards; spine edges rounded; acceptable dust jacket with edges and corners chipped; 8vo, 7 3/4" to 9 3/4" tall; Previous owner's name on front end papers; interior is clean and unmarked; 806 pages.

Hardcover. Condition: Very Good. Unpaginated; 4to; original printed boards; small tape residue on front board, minor soiling to rear board, spine a little age-toned; interior fine. A very good copy overall. Ten articles on various bookish subjects, produced by various presses on different papers, type, etc. (The Southworth Press; The Hollenbeck Press; Carl Purington Rollins at Yale University Press; The Walpole Printing Office; University Press, Oxford). …

Hardcover/Pappeinband. Condition: Gut. 530 S. Good condition. Ex library with stamps and back label. Pages clean. Sprache: Englisch Gewicht in Gramm: 880 2nd ed. of Introduction to the Transfer of Heat and Mass.

Hardcover. Condition: Good. No Jacket. Missing dust jacket; Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.

Hardcover. Condition: Good. No Jacket. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.

Hardcover. Condition: Fair. No Jacket. Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less.

Condition: acceptable. Fully readable with visible signs of use. Cover may have creases, dents, or edge wear. Pages may include writing, highlighting, or folded corners. Binding remains intact. Dust jacket included if originally issued with hardcover. Supplemental items e.g., CDs, codes, or inserts are not guaranteed. We ship daily, Monday through Friday excluding weekends and holidays , in a protective poly mailer for secure delivery.…

Condition: acceptable. Used - Acceptable: All pages and the cover are intact, but shrink wrap, dust covers, or boxed set case may be missing. Pages may include limited notes, highlighting, or minor water damage but the text is readable. Item may be missing bundled media.

Cloth. Condition: Very Good. xiv, 530 pages. Publisher's green mottled cloth with black titles. Minor loss to titles on spine, shelf leaned, previous owner information stamped and embossed on front endpaper. Otherwise a clean working copy. Cloth. The second edition was first printed in 1959. This is a reprint of that work from 1981.…

hardcover. Ships same or next business day.

Hardcover. Condition: Very Good. No Jacket. 1st Edition. 22pp + iii prelims. Printed on hand-made paper in a limited numbered edition of 150 copies. This is copy #32. Collection of poems in memory of Edward Thomas by twelve poets, including Gordon Bottomley, Walter de la Mare, Vivian Locke Ellis, James Guthrie, Robert Frost, Teresa Hooley and Kenneth Morris. Foreword by Robert P. Eckert Jr. Dark brown cloth quarter binding with crease to tip of top and tail of spine. Grey paper covered boards with a green title plate tipped to front cover. Crease to tip of lower front corner. Green and white illustrated title page. E T decorative device on Content's page. Number of other decorations and illustrative page headings together with the Pear Tree Press motif. Untrimmed fore edge and lower page edges. Light toning on ffep and rfep. James Guthrie (illustrator). …

Hardcover. Condition: Very Good. No Jacket. 1st Edition. 22pp + iii prelims. Printed on hand-made paper in a limited numbered edition of 150 copies. This is copy #34 (?). Collection of poems in memory of Edward Thomas by twelve poets, including Gordon Bottomley, Walter de la Mare, Vivian Locke Ellis, James Guthrie, Robert Frost, Teresa Hooley, Kenneth Morris. Foreword by Robert P. Eckert Jr. Grey paper covered boards with black cloth covered spine. Green title plate tipped to front cover. Green and white illustrated title page. E T decorative device on Content's page. Number of other decorations and illustrative page headings together with printer's motif throughout the book. Untrimmed fore edge and lower page edges. Light toning bar on rfep. Original brown'd and worn glassine plain paper wraps. Further protected within a clear archival envelope.…

Condition: Sehr gut. Zustand: Sehr gut | Seiten: 530 | Produktart: Bücher | Keine Beschreibung verfügbar.

1st Edition. FIRST EDITION IN ORIGINAL WRAPPERS OF A PAPER BY PRESPER ECKERT, et al. DESCRIBING THE DEVELOPMENT OF THE HIGH-SPEED MERCURY DELAY LINE MEMORY FOR COMPUTER APPLICATIONS. The acoustic delay line was invented by William Shockley in 1942 and developed by Presper Eckert in 1943 using mercury for a radar application. It was later developed for use in computers by Eckert and became the first widely accepted computer memory system. "A delay line stores information in serial form by continuously circulating data through a liquid or solid medium. A piezo-electric transducer converts a digital electronic signal into a series of pulses that travel through the line. A second transducer receives and amplifies the signal for transmission back to the source. Information is recirculated until accessed or changed by the computer. The physical length of a line determines the amount of information that may be stored. John Adam Presper Eckert Jr. (1919-1995) was an American electrical engineer and computer pioneer. With John Mauchly, he designed the first general-purpose electronic digital computer (ENIAC). Employing Shockley's 1942 invention of the acoustic delay line, Eckert developed them using mercury-filled tubes and adapting them to reduce clutter in WWII radar systems. In 1947 he filed for a patent on his development specific to data storage - computer memory systems. Using Eckert's patent, in May 1949 Maurice Wilkes built EDSAC (Electronic Delay Storage Automatic Calculator), the first full-size stored-program computer, at the University of Cambridge Mathematical Laboratory, England with 512 35-bit words of memory, stored in 32 mercury delay lines holding 576 bits each. The first UNIVAC computer shipped to the U.S. Census Bureau in 1951 included seven 1.5 KB memory units with an average access time of 222 microseconds" (Computer History Museum). Each unit held 18 of Eckert's mercury-filled tubes, together weighing a full 800 lbs. CONDITION & DETAILS: 4to. Complete issue in original paper wrappers. Some minor scuffing at the edges of the wrappers. Clean and bright throughout. Very good condition.…