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.
Television has been around since 1925. It was then that John Logie Baird demonstrated the first television system to the public. His system was an electro-mechanical device thâ¦at used a spinning disc to create a moving image. It was used for the very first public broadcasts in 1929 by the BBC in London.