Re: 1930's Radiotone Tail piece and Stringing?
Looks to me like you have sort of a "hybrid" tailpiece, which could accommodate either eight or twelve strings, depending on what instrument it was attached to. Since you have an eight-string, I'd use the two hooks closest to the top for each course (pair) of strings. as Mandroid suggests. You could also use one "high" and one "low" hook for each course, if you prefer to have the strings a bit closer together below the bridge. Your call.
You can start by positioning the bridge so that the distance from the nut to the 12th (octave) fret, is the same as the distance from the 12th fret to the bridge. Then you can "fine tune" it a bit by sounding a harmonic (the little chiming note you get when you just touch the string, not pressing it down to the fret) at the 12th fret, and comparing it to the fretted note. Since strings are stretched a bit "sharp" when pressed down to the fretboard, the bridge may have to be tweaked a bit to get the fretted notes in tune.
Allen Hopkins
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