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Adey Radio Ltd (later re-named Adey Portable Radio) was a small radio manufacturing company founded by Horace Adey in 1929. Their premises were located at 99 Mortimer Street, London W1 together with a factory in Marylebone which was opened in 1932.
The company specialised in portable receivers ranging from a one-valve headphone set, introduced in 1930 to four-valve receivers. In a further development of this set. Exhibited at the Olympia exhibition in 1933, the four-valve models had either Class B or pentode output stages.
The Adey HLC210 self coupling valve. Click here for the original box.
An interesting feature of these sets was the Adey 'Self-Coupling' valve which included an anode choke wound in three sections round its base. The valve was manufactured by Hivac but one assumes that Adey wound the choke round the specially moulded base.
Reference: 1043.
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