I recently acquired a 1905 Herschede hall clock, model 105 and I have the movement scheduled for repair and overhaul. Unfortunately, the repair person does not restore the movement to like new by polishing the components. I don't particularly care if the gear train and movement parts are not "like new" but there is black streaking on the face that I would like to clean. It appears to be possibly corrosion on the surface, not scuff marks from striking the hands or something. Is there a safe method of removing these streaks and returning the face to "like new" condition without harming the surface? I have the same question for the five tubes and pendulum. The repair person does not like to touch them to avoid damage as well.
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