The RD4/4 machine is an in-house design from the BBC, the recorder was a BTR-2 before all the mono valve electronics were removed and replaced with transistor electronics and addittional tape tension and reel size selection controls added.
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The RD4/4 machine is an in-house design from the BBC, the recorder was a BTR-2 before all the mono valve electronics were removed and replaced with transistor electronics and addittional tape tension and reel size selection controls added.
source
Under the radar in the US border crisis debate is the role of drug cartels preying on migrants. ...
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