AMERICAN COPPER COINAGE.
The copper cent used in the United States is a product of electricity. Almost pure copper is used to make this tho only copper coin issued in the country. The pure copper ia secured by an electric process. In the old days it was a very expensive process to refine copper ore, and the resultant' copper was far from being ptire. Now' this refining is done by electricity, much the same way as .electro-plating is accomplished. The copper ore is placed in a tank near the positive plate, of a battery and theelectrio current turned on. The copper is rapidly broken up into, minute particles, called atoms, which' are carried through the water by the .passage of elec^ricty and deposited , on the negative plate of the tank. The result is < known as "electrolytic copper,": which. >i» the purest known in the metal industry.
Permanent link to this item
https://paperspast.natlib.govt.nz/newspapers/PBH19130726.2.111
Bibliographic details
Poverty Bay Herald, Volume XXXX, Issue 13138, 26 July 1913, Page 10
Word Count
146AMERICAN COPPER COINAGE. Poverty Bay Herald, Volume XXXX, Issue 13138, 26 July 1913, Page 10
Using This Item
The Gisborne Herald Company is the copyright owner for the Poverty Bay Herald. You can reproduce in-copyright material from this newspaper for non-commercial use under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International licence (CC BY-NC-SA 4.0). This newspaper is not available for commercial use without the consent of the Gisborne Herald Company. For advice on reproduction of out-of-copyright material from this newspaper, please refer to the Copyright guide.