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I'm posting this here hoping that other DIY'ers might be able to help - not sure if Home Improvement is the right place, but this seems the closest on Stack Exchange.

I'm constructing an antique radio out of scraps I can find on the Internet. I'm not sure what to make the dials do in the Philco 90.

Top dial - radio channel tuning

Right dial - volume

Middle dial - tone(?)

Left dial - not sure at all.. AM/FM? FM didn't come about until mid-1930s. Anachronism?

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closed as off topic by Niall C., Tester101, BMitch, ChrisF Dec 19 '11 at 13:58

Questions on Home Improvement Stack Exchange are expected to relate to home improvement within the scope defined by the community. Consider editing the question or leaving comments for improvement if you believe the question can be reworded to fit within the scope. Read more about reopening questions here.If this question can be reworded to fit the rules in the help center, please edit the question.

Looking at these operating instructions for a Philco 90, the top knob is indeed the station selection knob, the bottom left is tone, bottom right is volume, and the center is the on/off switch.

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