The R210 communications receiver

 I must admit to knowing nothing about this model but my thanks go to Jan Poortman, PA3ESY from Goor in Holland, for sending me some very useful info. Jan has a T1154 which can work on 40 or 80 metres and when I get my vintage station back on the air I look forward to a QSO!

I've now been contacted by Jerry Mayfield who worked in Bridgnorth at the old ATE factory which was once RGD. The factory appears to have ceased production of domestic radios badged RGD in 1952, then continued with the name Regentone, who bought them out, until 1960 when they were bought by STC who sold sets badged as KB or ITT. RGD had moved to Bridgnorth around 1940 as part of the government plan to move military radio production away from areas likely to be bombed. ATE took over the factory in 1952 until 1964 when it was taken over by Plessey who had bought out the ATE company. Plessey were rationalising production over their new empire so various sites switched over to new product lines or were simply phased out. The Bridgnorth factory was adopted by Decca Radar in 1968. I'm a little unsure of the dates and the goings on but Decca Radar was bought by Plessey and part of the business moved to a factory in Liverpool city centre where I worked for 20 years, whilst the design and manufacture of the Radar hardware was moved to Cowes on the Isle of Wight.

During all this takeover business, Jerry tells me he remembers the R210 being made at the Bridgnorth factory. Maybe this set was a natural follow on to the WW2 radios made by RGD because the older technical staff at the factory must have been RGD trained? After rationalisation of product lines Plessey concentrated the design and production of military radio equipment at Southleigh (research), West Leigh (development) and Ilford (production).

I bought this example of the R210 at the Ringwood street auction (before it stopped) for a couple of pounds. This was quite a high bid! I remember the auctioneer, each week saying before the start of proceedings, "a pound is the minimum bid NOT the maximum bid". In the end they packed it up as they couldn't make ends meet. The set came with an external mains power supply and it worked OK except the filmstrip dial was damaged.

The receiver has a tremendous weight for its size and must have spent its service life in something like a Centurian tank. It formed part of the "Larkspur" range of British Army sets introduced in the 50s. The mechanical design has lots of similarities to the R206 (see elsewhere in this site) having a chain drive and loads of gearwheels together with the very long tuning scale fitted between two rotating drums.

The set uses a collection of B9A and B7G valves fitted in diecast chassis sections.

Frequency coverage is in 7 bands viz.

2-3MHz, 3-4.5MHz, 4.5-6.8MHz, 6.8-9.1MHz, 9.1-11.4MHz, 11.4-13.7MHz and 13.7-16MHz.

Better pictures will be forthcoming....

Front view

 The set was evidently abandoned when the dial filmstrip broke. I removed it but haven't worked out how to fix it!

 Side view showing part of the wavechange switch assembly

 

Top view showing dial film winding drums, chain drive and gear trains

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