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Article

Keith N. Morgan

Founded in 1867, the Boston Society of Architects (BSA) is the oldest of the three Massachusetts chapters of the American Institute of Architects, established in 1857. Dominated by Edward Clark Cabot as its president for the first three decades, the Boston Society of Architects reflected the nature of the expanding practice in the city at that moment. Opened in the same year as the BSA was the nation’s first academic program in architecture at the Massachusetts Institute of Technology (MIT). In addition to the MIT courses, the BSA was soon joined by the first substantial professional journal in the country, The American Architect and Building News, which began publication in Boston in 1876. The Society served as both a professional and a social organization in its early years, allowing members to meet and learn from their fellow practitioners. A parallel organization, open to non-architects as well, was the Architecture Association created in ...

Article

Molly Dorkin

Place where works of art are displayed. In a commercial gallery, works of art are displayed for the purposes of sale (for information on non-commercial art galleries see Display of art and Museum, §I). Historically, artworks were commissioned by patrons directly from an artist and produced in his workshop. In the Netherlands, the economic boom following the conclusion of the Eighty Years’ War with Spain (1648) led to rising demand for art. Patrons began buying from dealers, some of whom produced illustrated catalogues. Antwerp became the centre of the art world. Galleries for the display and viewing of art appeared in paintings by Teniers family, §2 and Bruegel family, §3, although these were private not commercial spaces, or imaginary constructions.

The Paris Salon, which had been organized by the Académie Royale de Peinture et Sculpture since 1667, was opened to the public for the first time in ...

Article

Jeffrey Martin

Medium utilizing oxidized metal particles carried on a flexible substrate, in order to record an electronic signal, most commonly in the form of audiotape or videotape. Magnetic tape is also used in computers for the storage of data, but this usage is unlikely to be encountered in an art conservation context.

Magnetic recording tape generally is made up of a plastic film base (most tapes, including all videotapes, have a base of polyester terephthalate (PET)), coated on one side with a binder system containing oxidized metal particles. Often, recording tape will also have what is known as a backcoating on the reverse side, which reduces friction, dissipates the buildup of static electricity, and allows for the tape to be more evenly wound. Some early audiotapes had paper backing, while others may also have a backing of acetate plastic, which is subject to the same deterioration factors as acetate photographic film, including so-called ‘vinegar syndrome’. The binder layer, the most critical component of the recording tape, usually consists of metal particles suspended in a binder of polyester and polyurethane, although it can contain numerous other chemicals. Different manufacturers have used different binder formulations, and changed them frequently over time. For this reason, some tapes may be more subject to deterioration than others of similar age and format. In the 1980s, manufacturers began to produce tapes with no binder polymer, but instead a very thin layer of metal alloy evaporated onto the tape base, known as ‘metal evaporated’ or ME tapes. The binder system may also contain lubricants designed to minimize friction as the tape passes through a recording or playback device....

Article

Jeffrey Martin

Medium on which a series of photographic images are recorded on a flexible plastic base in order to produce the illusion of movement when reproduced by projection through a lens or other means. Although ‘film’ has been used by the general public as a catch-all term for any moving image medium, it actually refers specifically to photochemical reproduction.

Three different types of film base have been used in motion picture production. The first, cellulose nitrate, was used from the time it was introduced by Eastman Kodak in 1889, through the early 1950s. Cellulose nitrate was durable, withstood repeated projection, and provided a high-quality image. It was also extremely flammable, requiring careful handling in shipping and storage, and the construction of special fireproof projection booths in theatres. It is always identified by the words ‘Nitrate film’ along one edge. Cellulose acetate film was first made available commercially in 1909, but was inferior in strength to nitrate film, and was not widely adopted for theatrical use. It was, however, used exclusively in smaller-gauge film for home and amateur use by the 1920s. In ...

Article

Jill L. Grant

Architectural, urban design and planning movement that began in the USA in the 1980s; by the turn of the century it had become a highly influential alternative to conventional development practices in the USA and beyond.

In the early 1980s a design and planning movement took root in the USA that proponents described either as the “return of the small town” or as the “next form of the American metropolis.” Architect-planners like Andres Duany, Elizabeth Plater-Zyberk (see Arquitectonica) and Peter Calthorpe advocated and designed compact, mixed-use, walkable and clearly bounded communities as an antidote to ugly and inefficient sprawl. Although new urbanism designers initially favored traditional architectural styles that reflected local vernacular patterns, as the movement’s principles became more widely applied in urban redevelopment projects, building design styles diversified. By the end of the first decade of the 21st century, new urbanism principles had influenced government development agendas in several countries and had become widely accepted as good planning principles....

Article

Kate Wight

An international prize awarded annually for achievements in architecture. It is considered the world’s most celebrated architectural award and has sometimes been referred to as the “Nobel Prize of Architecture.”

Cindy and Jay Pritzker of Chicago founded the prize in 1979. The Pritzker Prize was sponsored and awarded by the Hyatt Foundation, an extension of the Pritzker family business, the Hyatt Corporation, best known for Hyatt Hotels.

The purpose of the Pritzker Prize is “to honor a living architect whose built work demonstrates a combination of those qualities of talent, vision, and commitment, which has produced consistent and significant contributions to humanity and the built environment through the art of architecture.” Rather than awarding an architect for a specific building or design, the award recognized an entire body of work by a particular architect.

The prize consists of an award of $100,000, a formal certificate, and a bronze medallion. Until ...

Article

Elise Madeleine Ciregna

Stonecarving throughout American history has been utilized for various purposes: utilitarian work such as paving, roofing and hitching posts; and ornamental work, such as architectural elements, gravestones and monuments, and sculpture. America’s first professional stonecarvers were mainly trained, skilled artisans from England and Scotland. These men were often called “statuaries” because they were capable of producing highly ornamental carving and sculpture, similar to the work of trained academic sculptors. There was little call for such highly decorative work in the colonies, but as urban centers gradually formed, stone masons found plenty of work in newly emerging cities such as Boston, Philadelphia and New York.

In rural areas many of America’s early stonecarvers were native-born and self-taught. Their skills were most often put to use carving gravestones, which were needed in every community. Both professional and native-born stonecarvers produced beautiful, often idiosyncratic carved work. They worked in the “direct” method of carving, that is carving directly into the stone without creating a preliminary model. Botanist John Bartram designed his own stone house in Philadelphia around ...

Article

Peter L. Laurence

Although the theory and practice of renovating cities is ancient, and although the term is still used to refer to similar practices today, “urban renewal” typically refers to the large-scale, federally funded redevelopment projects that took place in US cities in the 1950s and 1960s. Such projects wrought dramatic physical transformations and caused controversial social upheaval. Urban renewal in this sense came into being with the US Housing Act of 1954, although it evolved out of a history of government-funded slum clearance and housing project construction dating back to the 1930s. Following two decades of slum clearance and model housing projects including First Houses (1935), Williamsburg Houses (1937) and Stuyvesant Town (1947), all in New York, the US Housing Act of 1949 was signed into law with broad political support due to a national postwar housing shortage. As the immediate legislative predecessor of urban renewal legislation, the Housing Act of ...