‎[GRAY, FRANK" EDWARD L. NELSON, ET AL.].‎
‎Symposium on Television. A Group of Five Papers Describing the Apparatus and Methods Used in the Experimental Demonstration of Television over Communication Channels of the Bell System, April, 1927. - [BELL SYSTEM'S FAMOUS TELEVISION-ISSUE.]‎

‎(USA, American Telephone and Telegraph Company, 1927). 8vo. Original printed blue wrappers. Punched for 3-ring binder. Spine worn, a bit of soiling to wrappers, inner hinges a bit weak. Internally fine and clean. (2), 9 + (3), 44 + 12 + 17, (3) + 20 pp. Illustrated.‎

Reference : 43151

‎Separate reprint of 5 articles published a month before in ""The Bell System Technical Journal. Four of the present articles on the early development of television were exceedingly influential, among these the paper by Frank Gray, who conducted groundbreaking research on the development of television, and Edward Nelson's important ""Radio transmission for television"". All four articles listed in ""Early Television, A Bibliographic Guide to 1940"". ""The chief problems presented in the accomplishment of television are discussed. These are: the resolution of the scene into a series of electrical signals of adequate intensity for transmission" the provision of a transmission channel capable of transmitting a wide band of frequencies without distortion means for utilizing the transmitted signals to re-create the image in a form suitable for viewing by one or more observers" arrangement for the accurate synchronization of the apparatus at the two ends of the transmission channel."" (From the introduction to the present volume).The papers contained in the present volume are:1. Ives, Herbert E. Television, pp. 1-9.2. Gray, Frank, & J. W. Horton & R. C. Mathes. The production and utilization of television signals, pp. 1-44. (ET)3. Stoller, H. M. & E. R. Morton. Synchronization of television, pp. 1-12. 4. Gannett, D. K. & E. I. Green. Wire transmission system of television, pp. 1-17. 5. Nelson, Edward L. Radio transmission for television, pp.1-20. Early Television:1068.‎