The Marconi ribbon microphone was used by the BBC until 1959. The tiny pressure changes, caused by the aluminium ribbon which is less than a thousandth of a millimetre thick, vibrate between the poles of a large magnet. These generate...More
October 18, 2017 License
The crystal radio set was simple and cheap. It consisted basically of a tuned circuit and a crystal detector, and had no batteries, the power delivered to its headphones all coming from the transmitter. Most designs, as here, used a...More
Primary school children performing their own actions to go with a BBC 'Music And Movement' programme on the radio, London, circa 1935.
The empty concert hall at Broadcasting House, London.
Workers on the transmitter mast of the new building of BBC in London, Langham Place. The steeple belongs to the All Souls Church. Photograph. England. April 30th 1931.
A group of stars broadcasting a radio porgramme. Left to right - Jack Benny (1894 - 1974), actor, dancer and politician George Murphy (1902 - 1992), Joan Crawford (1904 - 1977) and Reginald Gardiner.
January 01, 1930 License
Two women listening to a BBC studio broadcast on the beach.
Winston Churchill, Conservative Chancellor of the Exchequer, broadcasting a summary of his budget from a BBC radio studio.
Broadcasting news at a government centre for the maintenance of existing services.
A woman listening to a crystal wireless set through headphones.