The gold coating comes to its full lustre after the mixture containing
mercury is heated with a blowtorch. Here the craftsman is inspecting the
finish after the firing has been completed.
The gold coating comes to its full lustre after the mixture containing
mercury is heated with a blowtorch. Here the craftsman is inspecting the
finish after the firing has been completed.
Comments
Which salt they use during the time of gliding mercury amalgam and gold