very early and near-mint prospectus and instruction leaflets;
The Baird "Televisor" Receiver (Disc Model), 1929, [Plassey design], technical connection and set-up instructions, price list on back page for component breakdown, rubber-stamped in red ink over Long Acre address with the Crystal Palace sale dept address; Full Instructions and Working Details of Building a BAIRD MIRROR DRUM "TELEVISOR", 1933, 6pp. with full diagrams, rubber-stamped in red ink over Long Acre and Temple Bar addresses with the Crystal Palace sale dept address; THE NEW BAIRD GRID CELL UNIT, 1932, with detailed photographs of the hermetically sealed unit, with the red inked rubbed-stamped address correction seen to front; BAIRD - THE 15" "CATHOVISOR" CATHODE RAY TUBE, circa 1936, double-sided information insert. (4)