Murphy Radio Model A72 From 1939
The A72, pictured above featured the alphabetical tuning drum. It consisted of a drum that rotated with a series of lines against each station of a fixed panel. A close-up photograph showing the operation is shown below. R.D. Russell designed both cabinets. The A72 has a ME41 magic eye, but otherwise the sets both share a valve line-up of TH41, VP41, HL42DD, PEN45, UU6.
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