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Bronze mirrors were produced in China from Neolithic times until Western glass mirrors were brought to China. Bronze mirrors were usually circular, with one side polished bright, to give a reflection, and the reverse side normally decorated in cast relief in early examples, later on sometimes inlaid in precious metal. They generally had a knob ...
Upload file; Special pages ... Get shortened URL; Download QR code; Print/export Download as PDF; Printable version ... Help. Pages in category "Bronze mirrors" The ...
A diagram representing a convex mirror, which shows its focus, focal length, center of curvature, and the principal axis. It enables the viewer to visualize how the mirror looks and functions. It shows where the mirror reflects the light falling on it, and from where the light could come to be reflected.
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In November 2017, SketchUp Free was released as a web-based application which replaces SketchUp Make. [25] Drawings can be saved to the cloud, saved locally as a native SKP file, or exported as an STL file. Compared to Make, SketchUp Free does not support extensions, creation, and editing of materials. The product is not for commercial use. [26]
TLV mirror from the Eastern Han period "TLV mirror" is the name given by archeologists to a type of bronze mirror that was popular during the Han dynasty in China. They are called TLV mirrors because symbols resembling the Latin letters "T," "L" and "V" are cast in the design. They were produced from around the 2nd century BCE until the 2nd ...
Large speculum metal mirrors are hard to manufacture, and the alloy is prone to tarnish, requiring frequent re-polishing. However, it was the only practical choice for large mirrors in high-precision optical equipment between the mid-17th and mid-19th centuries, before the invention of glass silvering.
This “ 道-bronze.svg ” vector image is depicting the character 道 in the bronze script style. See also Wiktionary: en, fr, ja, zh. Date: See the dates of uploads shown in the “ Date/Time ” column of the “ File history ” section below. Source: Available sources for this ancient Chinese character: Sinica Database; Chinese Etymology.