I did not see the original posting, but if I am reading the responses
correctly it would also be worth looking at
 
the special issue of Media Culture and Society (Volume 18(1) January
1996,
 
and the recent books by John Corner: The art of record, Manchester:
Manchester University Press; and Television form and public address
(1996) London: Edward Arnold
 
P
--
Peter Hughes  Department of Media Studies  La Trobe University  Bundoora
VIC 3083
ph: +61 3 9479 3065 (w),  fax: +61 3 9479 3638 (w)
http://www.latrobe.edu.au/www/artmedia/MediaHome.html
 
Screening the past. An international, refereed electronic journal of
visual media and history:
http://www.latrobe.edu.au/www/screeningthepast
 
Visit the site of Experimenta Media Arts:
http://www.peg.apc.org/~experimenta/
 
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Screen-L is sponsored by the Telecommunication & Film Dept., the 
University of Alabama.