This unusual radio was manufactured around 1946 by R.I. Limited of Purley Way Croydon, England. RI stands for Radio Instruments Ltd. The model is the Airflow 451 and it covers the long and medium wave bands. The loud speaker is huge and really pumps out the bass. Overall, a lovely art deco radio.
Sorry, due to lack of spares, this is a model I no longer repair.
Manufactured from 1946
Long and Medium wave bands
The service manual for this radio is available in the Members’ Area here.