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41.
This article examines the nuances of the ‘farming ladder’ through a case study of the Duffin farming family. It explores the circumstances in which they flourished and faltered; the internal and external determinants affecting their ability to maintain a grip on the ‘farming ladder’; and the fluidity of the ladder. Drawing upon the personal archive of the family and complementary sources, the variable position of the family on the ‘farming ladder’ as they progress from agricultural labourers to farmers and then back to labourers is charted within wider historical and geographical frameworks. The social and spatial relationships forged are identified as being particularly important in the operation of the ‘farming ladder’.  相似文献   
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The Secret of England's Greatness is a portrait by Thomas Jones Barker of Queen Victoria meeting an African envoy and presenting him with a copy of the Bible. Painted around 1863, it has become an icon of British imperialism in this period and of the justification of colonial expansion in terms of the transmission of the values of the Bible. As such, the portrait appears confident and unambiguous: the secret of England's greatness is unravelled and the truth is exposed. This article seeks to disturb the apparent absence of mystery in this painted encounter and to examine what remains concealed in the meeting between the white sovereign and the black emissary. Moving from Barker's painting to William Mulready's The Toyseller, which was completed in the same years and depicts a black pedlar trying to sell a wooden toy to a white mother and child, the article uncovers, within the language of painting and its surrounding discourses, a different kind of disturbing and exhilarating secret, concerned with racial identity and mid-Victorian desire. Working from a reading of the surface of the paintings to related representations of blackness in nineteenth-century science and culture, the article considers how The Toyseller negotiates the proximity of the figures of the black pedlar and the white mother and child and the significance of the compositional gap between them and suggests that Mulready's painting visualizes many of the issues that were at the heart of British imperialism in the middle of the nineteenth century, following the abolition of slavery.  相似文献   
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Wertsch, James V., ed. Culture, Communication and Cognition. New York: Cambridge University Press, 1985. x + 379 pp. including notes, bibliography, and indices. $42.50 cloth, $14.00 paper.

Rogoff, Barbara, and Jean Lave, eds. Everyday Cognition: Its Development in Social Context. Cambridge: Harvard Unversity Press, 1984. vi + 352 pp. including notes, bibliography, and index. $27.50 cloth.  相似文献   
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Quantifying Interpolation Errors in Urban Airborne Laser Scanning Models   总被引:1,自引:0,他引:1  
Airborne laser scanning (ALS) is becoming an increasingly popular data capture technique for a variety of applications in urban surface modeling. Raw ALS data are captured and supplied as a 3D point cloud. Many applications require that these data are interpolated onto a regular grid in order that they may be processed. In this article, we identify and analyze the magnitudes and spatial patterning of residuals from ALS models of urban surfaces, at a range of different scales. Previous research has demonstrated the effects of interpolation method and scale upon the nature of error in digital surface models (DSMs), but the size and spatial patterning of such errors have not hitherto been investigated for urban surfaces. The contribution of this analysis is thus to investigate the ways in which different methods may introduce error, and to understand the uncertainty that characterizes urban surface models that are devised for a wide range of applications. The importance of the research is shown using examples of how the different methods may introduce different amounts of error and how the uncertainty information may benefit users of ALS height models. Our analysis uses a range of validation techniques, including split-sample, cross-validation, and jackknifing, to estimate the error created in DSMs of urban areas.  相似文献   
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This paper takes the issue of the removal of Aboriginal children, and the broader white anxiety over the 'half-caste problem' which underpinned the policy, to explore white women reformers' intervention in the politics of race in the years 1920-40. In these years middle-class women's citizenship was based on maternalism and the defence of motherhood. At the same time the national feminist lobby, the Australian Federation of Women Voters, joined the public debate about the 'Aboriginal problem'. In this context it is necessary to ask: What was the feminist view of Aboriginal women's status? Were they considered 'wives and mothers' like themselves, as Louisa Lawson suggested in the 1890s? What was their view of the 'half-caste problem' and the 'absorption proposal' formulated to solve it? By asking such questions I hope to modify the current feminist historiographical view of white women reformers as 'pro-Aboriginal' and 'radical' and their policies as challenging White Australia in these years.  相似文献   
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Growing interest in global historical archaeology is often focused on commodities exchange, especially between the west and the rest. However, ceramics production and consumption in the Ottoman Empire during the fourteenth through twentieth centuries was not only between the Ottomans and the west, but also the Far East. Chinese porcelains served as inspiration for the production of many Ottoman ceramics, especially during the Empire's height in the sixteenth century. Although with less success, Ottoman ceramics contended for a place within local and global markets. This paper will examine the production and consumption of Ottoman ceramics as part of this empire's struggle to achieve and maintain power relationships globally, as well as within its own dominions.  相似文献   
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ABSTRACT

The American Southeast saw the development of large ceremonial village centers, the coalescence of households, and monumental architecture integrated into village layout during the Middle Woodland period (ca. AD 1–600). These shifts toward more sedentary lifeways occurred independently of, and prior to, the domestication of plants across the Southeast. This paper examines the seasonality of monumental construction at the Garden Patch site located on the central Gulf Coast of Florida. This site contains evidence for rapid mound construction that followed a predetermined site plan. Here, we present oxygen isotope analyses of archaeological mollusk shells (Crassostrea virginica) to evaluate the seasonality and periodicity of monument construction. We conclude that mound construction occurred during the cooler months of the year. Ultimately, this contributes to an anthropological understanding of the development of these early ceremonial centers in the Southeast.  相似文献   
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