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They are first-surface mirrors, where the immediate bronze surface is flat, plain and highly polished to be reflective, rather than second-surface mirrors, like modern glass mirrors, where the reflection comes from a backing applied to the glass. Maid holding folding mirror for her mistress, Greece, c. 100 BCE. They are significantly inferior ...
The lantern is the large round glass structure, that houses the lens, located at the top of the lighthouse. This structure is made out of multiple materials, primarily glass, wood, and iron. Any conservation or restoration processes should keep in mind that the lantern, ventilation shafts, and lens should not be obstructed in any way.
When glass mirrors first gained widespread usage in Europe during the 16th century, most were silvered with an amalgam of tin and mercury, [6] In 1835 German chemist Justus von Liebig developed a process for depositing silver on the rear surface of a piece of glass; this technique gained wide acceptance after Liebig improved it in 1856.
Restoring a piece of furniture may imply attempting to repair and revive the original finish in some way. More often than not, this entails removing the existing treatment and preparing the raw wood for a new finish. Methods for repair depend on what kind of wood it is: solid or veneered, hardwood or softwood, open grained or closed grained.
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A mirror reflecting the image of a vase A first-surface mirror coated with aluminium and enhanced with dielectric coatings. The angle of the incident light (represented by both the light in the mirror and the shadow behind it) exactly matches the angle of reflection (the reflected light shining on the table). 4.5-metre (15 ft)-tall acoustic mirror near Kilnsea Grange, East Yorkshire, UK, from ...
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