I HAD occasion recently to coat with collodion a silver surface mirror on patent plate 2 millimetres thick. During the operation the mirror was held with one of the rubber pneumatic holders frequently ...
A curator at the Cincinnati Art Museum uncovered a hidden treasure in the museum's collection. Hou-Mei Sung says a 21-centimeter bronze mirror thought to be from the 16th century had an unexpected ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results