This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!
Reflections on Metals Reflective Power and Durability
A historical treatise discusses how metal reflectivity depends on particle closeness surface smoothness and light color. It ranks silver and mercury highest, gold dense and reflective, platina uncertain, and iron or steel much lower, noting that leaf gold can be highly powerful.
MENTIONED IN THIS ARTICLE
Polith
Mit
Tim
Politi
Poliff
Mecquar
Platina
Rae
Tenasi¢Y
Mithal