The Gilders Source
These are traditional Italian terms from the gold-leaf and metal-leaf craft, especially tied to gilding and book production. Battitura Battitura literally means “beating” or “hammering.” In practice, it refers to the physical process of hammering metal—usually gold, silver, or imitation alloys—into extremely thin sheets (leaf). Key points: In gilding contexts, battitura means: The transformation of … Read more
On choosing the best gold leaf for various gilding situations. The Best Gold Leaf: A Gilder’s Guide When one says “best gold leaf,” it’s not quite as simple as picking the purest gold and calling it a day. Different project contexts—exterior surfaces, interior frames, glass (eglomise), decorative objects—demand different combinations of purity (karat), thickness, support … Read more
“Pure gold can be created in factories through several processes, primarily involving refining and purification of gold ore or recycled gold materials…” Original taken down by youtube https://www.youtube.com/watch?v=FCGf_POjxKM Transcript
Gold nanoparticles exhibit extraordinary properties quite unlike those of the bulk metal. These properties can be exploited in a variety of assay applications, including lateral flow tests, microscopy, flow cytometry and FRET assays. There are also a number of therapeutic applications, especially in the field of cancer. This free and exciting webinar focuses on the … Read more
“Many Chinese merchant in gold-rush era Oroville traded in gold dust. Indeed, gold dust was also the local currency.” GOOGLE MAPhttps://www.google.com/maps/place/Oroville+Chinese+Temple/@39.5135642,-121.5639446,17z
Purifying ores to metals such as gold, as well as making colours for cloth and painting is the work of chemists. The ancient past was no different. The records of the Egyptian sciences are not so clear where they do remain but the heirs of this ancient knowledge such as the Greeks and Romans did … Read more
Used in technology, photography, and decorative arts, silver is one of the most versatile metals known to man. In this episode of Modern Marvels we’ll explore the methods, men and machines that extract this precious resource from the earth. In Northern Idaho’s Lucky Friday mine, workers toil more than a mile underground in an around-the-clock … Read more