The New Encyclopædia Britannica, Volume 19Encyclopædia Britannica, 1981 - Encyclopedias and dictionaries |
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Page 237
Gold possesses several outstanding qualities that have made it exceptionally
valuable throughout history. It is attractive in colour and brightness, durable to the
point of virtual indestructibility, highly malleable, and usually found in nature in a
...
Gold possesses several outstanding qualities that have made it exceptionally
valuable throughout history. It is attractive in colour and brightness, durable to the
point of virtual indestructibility, highly malleable, and usually found in nature in a
...
Page 239
World Gold Production (in 000 ounces) 1965 1967 1969 1970' South Africa
33,521 33,520 34,314 35,289 U.S.S.R.'l' 5,518 6,253 6,857 7,131 Canada 3,956
3,250 2,792 2,566 U.S. 1,871 1,738 1,901 1,913 Ghana 828 837 775 772
Australia ...
World Gold Production (in 000 ounces) 1965 1967 1969 1970' South Africa
33,521 33,520 34,314 35,289 U.S.S.R.'l' 5,518 6,253 6,857 7,131 Canada 3,956
3,250 2,792 2,566 U.S. 1,871 1,738 1,901 1,913 Ghana 828 837 775 772
Australia ...
Page 240
Large quantities of less expensive jewelry are finished with an electrodeposit of
nearly pure gold. Dental use. Dental applications include wrought and cast gold
alloys with a gold content of 60 percent or more along with silver, copper, and ...
Large quantities of less expensive jewelry are finished with an electrodeposit of
nearly pure gold. Dental use. Dental applications include wrought and cast gold
alloys with a gold content of 60 percent or more along with silver, copper, and ...
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