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When Did They Stop Using Silver In Mirrors? [Solved]
Old silver-backed mirrors often have dark lines behind the glass, because the material was coated very thinly and unevenly, causing it to flake off, scratch or tarnish. After 1940, mirror manufacturers used the metal mercury because it spread evenly over the surface of the glass and did not tarnish.
Making a silver mirror
Today we will be
Using chemicals to turn a glass dish into a silver mirror
So today I’ll be turning a glass dish into a
Make Glass Mirrors with Silver Nitrate
How to make a
