Glowing bits commented
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when this set's overhauled & working, don't expect it to perform as good as a super-het, TRF's seem to need a massive aerial before they perform
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Agreed, at least a reasonably efficient aerial...AND EARTH, which in this case could be a problem as it seems likely to be a live-chassis model, judging by the photos, because I see what looks like an output transformer (but could be a heater transformer) and a still smaller wound component, either a transformer or choke. None of which are likely to provide full chassis isolation, which might explain the tingle from the aerial lead - assuming the isolating cap is either absent or shorted. DON'T earth the chassis. You should get local station reception on a few feet of wire or run a much longer lead outside, high as you can and away from walls for most of the length.
Tony