Was rebuilding my frozen AAR valve and had the bright idea to clear the rust out of the coil with an hydrochloric acid solution. And, well, either that coil wasn't iron-copper or that bottle of acid was mislabeled... so now I have a mono-metallic coil.
Anyone have an old AAR laying around that they're not using?
Full Version: WTB: Early AAR Valve Bimetallic Coil
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