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Conservation-restoration is the practice of cleaning and discovering the original state of an object, investigating the proper treatments and applying those treatments to restore the object to its original state without permanently altering the object, and then preserving the object to prevent further deterioration for generations to come (Caple, p. 5-6). [1]
Glass disease, also referred to as sick glass or glass illness, is a degradation process of glass that can result in weeping, crizzling, spalling, cracking and fragmentation. [ 1 ] [ 2 ] Glass disease is caused by an inherent instability in the chemical composition of the original glass formula. [ 3 ]
In 2022 Daprato Rigali Studios [9] completed the restoration of Grand Army of the Republic rotunda stained glass dome in the Chicago Cultural Center. [10] The 40-foot diameter Tiffany-designed stained-glass dome had become covered in grime and paint and cut off the natural light that brought out the brilliant colors of the glass. [11]
Preventive methods may include limiting exposure to light to a maximum of 40 years at 100 lux or 80 years at 50 lux, [5] maintaining stable temperature and humidity levels, using safe and proper art handling with gloves and proper art storage, per current professional museum standards such as those from the American Alliance of Museums.
Art Restoration, Painting and Frame Restoration, before and after, Oliver Brothers Art Restoration, Boston. Examination is a series of scientific processes by which a paintings conservator collects information regarding the materials used, the technique of the painter, and what has contributed to the painting's current state.
The numbering plan area is completely surrounded by area code 773, which serves the rest of Chicago. Both area codes form an overlay complex with area code 872. 312 is an enclave area code, and is roughly bounded by North Avenue on the north, Western Avenue on the west, and 35th Street on the south, with Lake Michigan to the east. In terms of ...
Devitrification in glass art [ edit ] Devitrification occurs in glass art during the firing process of fused glass whereby the surface of the glass develops a whitish scum, crazing , or wrinkles instead of a smooth glossy shine, as the molecules in the glass change their structure into that of crystalline solids.
Area code 872 is a telephone area code in the North American Numbering Plan for Chicago in the U.S. state of Illinois. It is an overlay code for a numbering plan area that comprises those of area codes 312 and 773. The overlay commenced service on November 7, 2009. [1]