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Water is one of the agents of deterioration. Its effects can be seen in these flood-damaged library books. The 'ten agents of deterioration' are a conceptual framework developed by the Canadian Conservation Institute (CCI) used to categorise the major causes of change, loss or damage to cultural heritage objects (such as collections held by galleries, libraries, archives and museums). [1]
Different deterioration phenomena often occur simultaneously. [7] Inappropriate temperature is another source of deterioration. There are several ways that temperature can cause object degradation. One being that the temperature is too high: this excess heat can cause chemical, physical, and biological phenomena.
The conservation and restoration of photographs is the study of the physical care and treatment of photographic materials. It covers both efforts undertaken by photograph conservators, librarians, archivists, and museum curators who manage photograph collections at a variety of cultural heritage institutions, as well as steps taken to preserve collections of personal and family photographs.
Stone objects take on many forms including sculpture, architecture, ornamental decoration, or functional pieces. Deterioration of stone depends on several factors such as the type of stone, geographical or physical location, and maintenance. Stone is subject to a number of decay mechanisms that include environmental, mechanical, and applied decay.
Extreme forms of dissociation (separation of the physical item from the information that makes it significant) might include a critical loss of electronic data that cannot be retrieved, or the closure or sale of the collection (in parts or in its entirety) due to financial or political pressures.
A conservation technician examining an artwork under a microscope at the Indianapolis Museum of Art. The conservation and restoration of books, manuscripts, documents, and ephemera is an activity dedicated to extending the life of items of historical and personal value made primarily from paper, parchment, and leather.
Given the organic nature of the human body, special steps must be taken to halt the deterioration process and maintain the integrity of the remains in their existing state. [2] These types of museum artifacts have great merit as tools for education and scientific research, yet also have unique challenges from a cultural and ethical standpoint.
Agents of deterioration are the forces that cause physical, chemical, and biological damage and lead to irreversible losses to museum collections [6] Preventative conservators work to maintain the health of museum collections by taking steps to prevent or reduce the effects of agents of deterioration on objects.