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The Early History of Gold Plating.
An Early Attempt to Oxidise Gold.
A “Gold Connection” Between Etruscans and Early Celts
Gold Connection Etruscans Early Celts
2009/7/29
A “Gold Connection” Between Etruscans and Early Celts.
Reaction Soldering with Copper on an early Medieval Disc Brooch from Germany
Reaction Soldering Copper Germany
2009/7/29
Reaction Soldering with Copper on an early Medieval Disc Brooch from Germany.
The Uses of Gold and its Technology as Recorded in Early British Patents
Gold Technology Early British Patents
2009/7/29
A brief history of the origin of patenting is given. A 1421 Florentine patent to Brunelleschi is believed to be the earliest invention granted such protection. Various rulers then granted patents for ...
GAINESVILLE, Fla., Feb. 22 2007(AScribe Newswire) -- A new study provides evidence that the last inhabitants of Christopher Columbus' first settlement desperately tried to extract silver from lead ore...