With plates of copper I roofed it, I hung in its gates folding
doors of cedar wood, silver, gold, copper, and iron which my hands had
acquired in the lands which I ruled, I gathered in great quantities, and
placed them in the midst thereof." O.
* * * * *
DEPOSITING NICKEL UPON ZINC.
By H.B. SLATER.
To those interested in the electro deposition of nickel upon zinc, the
formula given below for a solution and a brief explanation of its use
will be of service.
The first sample of this solution was made as an experiment to see what
substances could be added to a solution of the double sulphate of nickel
and ammonium without spoiling it.
In addition to several other combinations and mixtures of solutions from
which I succeeded in obtaining a good deposit, I found that the solution
here given would plate almost anything I put into it, and worked
especially well upon zinc. In its use no "scraping" or rescouring or any
of the many operations which I have seen recommended for zinc needs
be resorted to, as the metal "strikes" at once and is deposited in
a continuous adherent film of reguline metal, and can be laid on as
heavily as nickel is deposited generally.
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