R.I., Radio Instruments Ltd.,12 Hyde St.,London WC1; Moved into a new factory at 40 Purley Way, Croydon, in 1930. The factory and Company eventually closing in 1988. The Managing Director was Mr. Joseph Joseph. They made broadcast receivers for the general public. They also made radio equipment for the all the British Armed Forces, the Post Office and BBC. Radio sets were also exported to the then Soviet Union during 1932. (See newspaper cutting from The Croydon Times dated 30.4.1932)

My thanks to the Croydon Council, Local Studies Library, Katharine Street, Croydon, for the copy of the newspaper cutting.