“The Black Book”: Technical Description of the Marconi-E. M. I. System of Television
Does this nondescript black book hold the secrets of how television is used to control the minds of viewers world-wide?
“The Black Book”, 1937-1950, including revision pages, No. 119, issued to W. J. Pearce, with 1-12 tab pages, index, preface amendment sheets, pull-out circuit diagram charts, progress and testing tables through sums, definitive explanations from transmission modules to receiving apparatus.