Anbieter: Majestic Books, Hounslow, Vereinigtes Königreich
EUR 31,65
Anzahl: 3 verfügbar
In den WarenkorbZustand: New.
Anbieter: BooksRun, Philadelphia, PA, USA
Hardcover. Zustand: Very Good. 1. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting.
Anbieter: Ria Christie Collections, Uxbridge, Vereinigtes Königreich
EUR 34,52
Anzahl: Mehr als 20 verfügbar
In den WarenkorbZustand: New. In.
Anbieter: Revaluation Books, Exeter, Vereinigtes Königreich
EUR 41,50
Anzahl: 2 verfügbar
In den WarenkorbPaperback. Zustand: Brand New. 162 pages. 8.50x5.43x8.50 inches. In Stock.
Anbieter: Majestic Books, Hounslow, Vereinigtes Königreich
EUR 66,98
Anzahl: 3 verfügbar
In den WarenkorbZustand: New.
Anbieter: Ria Christie Collections, Uxbridge, Vereinigtes Königreich
EUR 75,78
Anzahl: Mehr als 20 verfügbar
In den WarenkorbZustand: New. In.
Anbieter: Revaluation Books, Exeter, Vereinigtes Königreich
EUR 95,98
Anzahl: 2 verfügbar
In den WarenkorbHardcover. Zustand: Brand New. 144 pages. 8.50x5.43x0.56 inches. In Stock.
Verlag: Bell Telephone Laboratories; ATT, San Francisco, 1953
Anbieter: Sekkes Consultants, North Dighton, MA, USA
Erstausgabe
Softcover. Zustand: Very good. Francisco Toledo (illustrator). First Edition. AMA (Automatic Message Accounting), computerized telephone call accounting articles reprinted from Bell Laboratories Record, ca 1953. Automatic message accounting (AMA) provides detailed accounting for telephone calls. When direct distance dialing (DDD) was introduced in the US, message registers no longer sufficed for dialed telephone calls. The need to record the time and phone number of each long-distance call was met by electromechanical data processing equipment. Articleas include: "Code Patterns in Telephone Switching and Accounting Systems" by J.W. Dehn; "The AMA Tape Perforator" by P.B. Drake; "The AMA Assembler" by Glen C. Drew; "The AMA Computer" by A.E. Hague; "Tape-to-Card" Converter" by W.B. Groth; and much more. 138 pages. Halftones, diagrams, Pictorial stiff paper, spiral binding. Triffle rubbed. "WW Brown 1954" top right corner of the title page. 10" - 7". book.