To silver by heat. Disso 2012-05-16

  To silver by heat. Disso lve an ounce of pure silver in aqua fortis, and precipitate it with common salt; to which add 3 lb. ...

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The vinegar beco 2012-05-16

The vinegar beco mes so concent ated as to corrode the surface, and make it appea speckled.  To se} arate gold from gitt, coppe ...

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Now pour in 4 drac 2012-05-16

Now pour in 4 drac hms of mercury. In a short time the silver will be precipitated ta the most beautiful arborescent form, resembling rea ...

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