...that of imparting to copper a white colour, and rendering it less liable to acquire verdigris on its surface, prove that it does not contain zinc. According...Engestroem, in the Stockholm Memoirs, states, that the I'ukFong, or "White Copper of China, is composed of copper, nickel or zinc, the last of which amounts...

...that of imparting to copper a white coknrr", arid rendering it less liable to acquire verdigris on its surface, prove that it does not contain zinc. According...Engestroem, in the Stockholm Memoirs, states, that the PafoFong, or White Copper of China, is composed of copper, nickel, or zinc, the last of which amounts...

...that of imparting to copper a white colour, and rendering it less liable to acquire verdigris on its surface, prove that it does not contain zinc. According...white copper of China, is composed of copper, nickel, and zinc, the last of which amounts to seven-sixteenths of the whole, and^the proportions of the two...

...that of imparting to copper a white colour, and rendering it less liable to acquire verdigris on its surface, prove that it does not contain zinc. According...proportions of the two first are to each other as five to seven. Dr. Howison, of Lanarkshire, was so fortunate, when in China, as to procure a basin...

...that of imparting to copper a white colour and rendering it less liable to acquire verdigris on its surface, prove that it does not contain zinc. According...white copper of China is composed of copper nickel or (sic) zinc, the last of which amounts to seven-sixteenths of the whole, and the proportions of the...