 | Albert Allis Hopkins - 1910 - 1098 sider
...and carefully skim off the dross ; remove the alloy from the fire, and before it grows cold add 5 oz. of mercury, and stir the whole well together ; then...and it is fit for use. When this amalgam is used for silvering, let it be first strained through a linen rag ; then gently pour some ounces thereof into... | |
 | Gardner Dexter Hiscox - 1914 - 818 sider
...bismuth, and carefully skim off the dross; remove the alloy from the fire and before it grows cold add 5 ounces of mercury, and stir the whole well together;...and it is fit for use. When this amalgam is used for silvering 642 let it be first strained through a linen rag; then gently pour some ounces thereof into... | |
 | Gardner Dexter Hiscox - 1924 - 872 sider
...bismuth, and carefully skim off the dross; remove the alloy from the fire, and before it grows cold add 5 ounces of mercury, and stir the whole well together;...and it is fit for use. When this amalgam is used for silvering, it should be first strained through a linen rag; then gently pour some ounces of it into... | |
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... into the globe intended to be silvered; the alloy should be poured into the globe by means of a paper or glass funnel reaching almost to the bottom of the globe, to prevent... 
