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Alongside these outgoing units at that time around 1960 – 62 the BCC mobiles came into use. Again, these units were very large and were also fitted into cradles in vehicles. These units were more silent as the HT was supplied by small vibrating packs within each unit (due to the elapse of time I am unable to name these units correctly). I do recall however that often the vibrating vanes within the units could stick and cause a meltdown of components.
Another landmark was the introduction of the Cossor 108 motorcycle mobile. Until then units involved at that time were the L77/88, which were all valve operated, where these units required constant attention, as motorcycles when hitting a bump in the road would inevitably cause frequent valve failure! The new Cossor mobile was a hybrid unit, in my experience the valves in these units were more robust than those used in the L77/78 configuration. As a matter of interest, the Cossor 108 mobile can be seen fitted to the motorcycle in the 1960’s early series of Heartbeat.
I do hope that I have not bored you all with my reminiscences. If the facts that I recall are not quite accurate, then all I can comment upon is that my memories extend from possibly the youngest person to join the then Home Office Regional Wireless Service in 1960 at the tender age of 21 year’s. Whereas, I write this article approaching the 70 year’s of age mark!
In conclusion, the D of Tels produced some of the finest engineers, and I was and am still proud of my association with this lost department.
Mike Leigh Wollaton, Nottingham 8th December 2008.
Acknowledgement: Mick Leigh
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