What did John Logie Baird grey plaque do at 132-135 Long Acre?

The Story
# 132-135 Long Acre: Where Television Was Born Standing before this unassuming building in the heart of Covent Garden, you're at the precise spot where John Logie Baird achieved what many thought impossible: on 30th September 1929, he broadcast the first television programme ever transmitted in Great Britain from this very address. This wasn't merely a technical experiment conducted in isolation—it was a public demonstration of a working medium, beaming moving images and sound across the airwaves from Long Acre to receivers across the country, proving that television was no longer science fiction but tangible reality. For Baird, this location represented the culmination of years of struggle and ridicule; he had faced derision from the scientific establishment and struggled for funding, yet here at 132-135 Long Acre, he finally vindicated his vision and changed the course of human communication forever. The significance of this modest address cannot be overstated—on this September day in 1929, modern entertainment, news broadcasting, and visual media as we know them were essentially born, making this corner of London the birthplace of British television itself.
Location
132-135 Long Acre, WC2