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• New Television Camera Tubes in Perspective[Active]
• 1. Wigren Harold E. Ingle Henry T. Molenda Michael , A National Survey of Current Utilization of In School Closed-Circuit Television and Instructional Television Fixed Services , Department of Audiovisual Instruction, National Education Assn. , Washington, D.C. , p. 1 , 1967 .EXTERNAL
• 2. Brugger John R. , A Survey of Television Equipment and Facilities Used for Purposes of Instruction by Public Schools, Colleges and Universities , prepared for the Office of Education, Department of Health, Education, and Welfare , by the Board of Education of Washington County, Hagerstown, Md. , pp. 28 – 33 , 1961 .EXTERNAL
• 3. Kessler Wm. J. , Instructional Television Fixed Service, An Assessment of Technical Requirements , Division of Educational Technology, National Education Assn. , Washington, D.C. , 1967 .EXTERNAL
• 4. Penn Roger , A Comparative Study of the Picture Quality Obtained From Four Types of Television Cameras , (unpublished report) Department of Communications, American University , Washington, D.C. , Sept. 18, 1965 .EXTERNAL
• 5. Wentworth John W. , “Camera tubes for studio use — A semi-technical appraisal for educators,” Jour. SMPTE , 72 : 153 – 157 , Mar. 1963 .EXTERNAL
• 6. Camera Tubes: Image Orthicon, Vidicon , Radio Corp. of America , Camden, N. J. , 1966 .EXTERNAL
• 8. de Haan E. F. van der Drift A. Schampers P. P. M. , “The ‘Plumbicon,’ a new television camera tube,” Philips Technical Rev. , 25 ( 6/7 ): 133 – 151 , 1963 /64, p. 133 .EXTERNAL
• 9. Wiens Jacob H. , A Comparative Study of Video Tape Recorders , issued by Television Advisory Committee , Department of General Services and Bureau of Audio-Visual and School Library Education, State Department of Education, Sacramento, Calif. , p. 86 , 1967 .EXTERNAL