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Comment: Wow! This is amazing! Do you have a close-up of the wind-up mechanism? I can't really s…
Comment: Thanks!
Comment: Sorry for being kinda random, but does anybody know what to do with chemically treated …
Comment: I was wondering whether the battery had to be the battery that came with the camera; wo…
Comment: THe acid used is HF, Hydrofluoric acid. It's very caustic, although considered a weak a…