Records of the Past Exploration Society · [Washington, D.C. : Records of the Past Exploration Society] · leaf 296
GOLD FROGS AND LIZARDS FROM COSTA RICA … GOLD IMAGES AND BELLS FROM COSTA RICA 286 RECORDS OF THE PAST the virgin gold beaten into various shapes and forms, but a method ofsoldering gold was evidently known. By our present method ofuniting pieces of gold, solder of much less purity than the parts to beunited is used. In time this inferior…
Archaeology
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