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An affected gastropod shell (a juvenile Agathistoma) from a museum collection. Byne's disease, more accurately known as Bynesian decay, is a peculiar and permanently damaging condition resulting from an ongoing chemical reaction which often attacks mollusk shells and other calcareous specimens that are in storage or on display for long periods of time.
Antibiotics such as amoxicillin can be used to treat strains of bacteria living in a fresco's natural pigment which can turn them into powder. [9] Another method of fresco repair is the application of a protection and support bandage of cotton gauze and polyvinyl alcohol. Difficult sections are removed with soft brushes and localized vacuuming.
Secondary efflorescence on the dam of the Robert Moses Niagara Power Plant. In chemistry, efflorescence (which roughly means "the flowering" in French) is the migration of a salt to the surface of a porous material, where it forms a coating. The essential process involves the dissolving of an internally held salt in water or occasionally, in ...
Slate tiles are often used for interior and exterior flooring, [27] stairs, [28] walkways [29] and wall cladding. [30] Tiles are installed and set on mortar and grouted along the edges. Chemical sealants are often used on tiles to improve durability and appearance, [ 31 ] increase stain resistance, [ 27 ] reduce efflorescence , and increase or ...
The Villa of P. Fannius Synistor at Boscoreale was excavated in 1900 and many of the frescoes were stripped from the walls and auctioned off. One of the more notable conservation and restoration projects has taken place at the Metropolitan Museum of Art in New York, NY, where they have restored and installed the paintings (2002-2007) from the Villa's cubiculum, or bedroom, for the new Greek ...
The detachment of wall paintings involves the removal of a wall painting from the structure of which it formed part. While detachment was once a common practice, the preservation of art in situ is now preferred, and detachment is now largely restricted to cases where the only alternative is total loss. [ 1 ]
The ceiling before the restoration [c]. The preliminary experimentation for the modern restoration began in 1979. The restoration team comprised Gianluigi Colalucci, Maurizio Rossi, Piergiorgio Bonetti, and others, [6] who took as their guidelines the Rules for restoration of works of art as established in 1978 by Carlo Pietrangeli, director of the Vatican's Laboratory for the Restoration of ...
Overburden is also used for all soil and ancillary material above the bedrock horizon in a given area. By analogy, overburden is also used to describe the soil and other material that lies above a specific geologic feature , such as a buried astrobleme , or above an unexcavated site of archeological interest.