In the eighteenth century, dramatic electrical performances were favourite entertainments for the upper classes, yet the therapeutic uses of electricity also reached the lower strata of society. This change in the social composition of electrical audiences attracted the attention of John Wesley, who became interested in the subject in the late 1740s. The paper analyses Wesley's involvement in the medical applications of electricity by taking into account his theological views and his proselytizing strategies. It sets his advocacy of medical electricity in the context of his philanthropic endeavours aimed at the sick poor, connecting them to his attempts to spread Methodism especially among the lower classes. It is argued that the healing virtues of electricity entailed a revision of the morality of electrical experiment which made electric sparks powerful resources for the popularization of the Methodist way of life, based on discipline, obedience to established authorities and love and fear of God.

This paper examines the development of a quantified, standardized and institutionalized meteorological science in nineteenth-century Britain, one that relied on sophisticated instrumentation and highly regulated observers and techniques of observation in its attempt to produce an accurate picture of the national weather. The story is told from one of the numerous points in British meteorology's extensive collection network: from Cornwall, in the far southwest of England. Although the county had been an acknowledged centre of meteorological labour since the eighteenth century, it came increasingly under the influence of various London-based meteorological institutions in the 1830s and in 1868 was chosen as the site of one of the Royal Society of London's few prestigious ‘first-order’ meteorological observatories. This case study presents us with the opportunity to witness the ways in which a national scientific enterprise was assimilated and interpreted in a particular local context. It gives us a chance to see how regulated forms of instrumentation and quantified measurement were translated in a particular place and, of course, how the non-place-bound ideals of metropolitan science occasionally faltered in the face of local values and preoccupations.

The frequent distinction made between scientific and purely amateur collections misrepresents the specificity of the field of eighteenth-century natural history. This paper argues that the extent and the boundaries of a scientific field can be determined only within the framework of concrete historical constellations of institutions, protagonists, practices and objects. By tracing the circulation of shells in eighteenth-century France, Paris in particular, between about 1735 and 1780, it becomes evident which individuals or groups actually came into contact with these shells; in what practices of collecting, describing and classification they were involved; and in what spaces they were displayed. Thus the contours of a constellation emerge which differ considerably from those drawn hitherto.