1931 Royal Navy Radio HF Receiver Q7 Admiralty Pattern 7492A Made By Radio Instruments Limited
An extremely rare 1931 Royal Navy Radio HF Receiver Q7 Admiralty Pattern 7492A Made By Radio Instruments Limited (1922-1988) of 12 Hyde St.,London WC1 and 40 Purley Way, Croydon.
In pretty good cosmetic condition, this receiver is being sold as a collectible for display only; a real piece of British Admiralty Radio Communications history! It is sold with two valves, a Mullard PM1 HF and a Mazda P220.
Comprising two rheostats, for the receiving and quenching valves, and various input and output connectors.
Approximate Size (WHD): 20.4 x 23.2 x 12.5 cm
Made from coated and uncoated non-ferrous metal and brass, this amazing piece of radio equipment has a brass label screwed to the front engraved as follows:-
- With a circuit diagram
- Admiralty Pattern 7492A
- Receiver Q7
- Range: 28,600 -17,600 Kcs (10.5-17 Metres)
- Serial No. R7 Year 1931
According to Commsmuseum, the Q7 was designed in 1928 and fitted in Type 71, 47, 48Y and 46X (in heavy ships) with receiver outfit QC, which we believe was used in Royal Navy C and D class destroyers.
R.I (radio Instruments) made broadcast receivers for the General public and radio receivers for the British Armed Forces, BBC and the Post Office.
Please click on the following link for more vintage military radio equipment.
