What does keep the black dog at bay mean? I wonder whether âblack dogâ is used as a pun with âwinter blueâ in the headline. Is âkeep the black dog at bayâ a well-established idiom?
Although many people claim television was invented by Philo Farnsworth in America, it was actually invented by John Logie Baird, a Scotsman who carried out his research in London England. He first demonstrated his system in 1925 and it was in commercial use by 1929.
The first fully modern color TV was announced in 1944, but color TV sets did not go on sale in the US until 1953. Color television has a long history reaching back to 1928. Itâ¦'s roots go back just a little further still. In 1925 John Logie Baird demonstrated the first working television system in London England. It used a spinning disc with holes in it to produce a moving image.