Amateur mechanics ... a book for old and young who like to make things .. (1907)
Popular mechanics magazine, Chicago. [from old catalog] · Chicago, Popular mechanics · leaf 92
ate isdissolved. Then add an excess of potassiumcyanide—about as much as was used in dis-solving the precipitate—and make the solu-tion up to 1 qt. with water. This solution,with an electric pressure of 2 to 4 volts, will give a good white coat of silver intwenty minutes to half-an-hour; use 2… … Electroplating Apparatus lead, pewter, zinc, must be coated with cop-per in the alkaline copper bath described,and then treated as copper. On brass, cop-per, German silver, nickel and such metals,silver can be plated direct. The deposit ofsilver will be dull and must be polished,says the Model…
Handicraft · Amusements
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