Article ID: CBB055349020

The instruments of expeditionary science and the reworking of nineteenth-century magnetic experiment (2022)

unapi

During the mid-nineteenth century, British naval expeditions navigated the world as part of the most extensive scientific undertaking of the age. Between 1839 and the early 1850s, the British government orchestrated a global surveying of the Earth's magnetic phenomena: this was a philosophical enterprise of unprecedented state support and geographical extent. But to conduct this investigation relied on the use of immensely delicate instruments, known as ‘dipping needles’. The most celebrated of these were those of Robert Were Fox, designed and built in Cornwall. Yet these devices were difficult to physically maintain and ensuring accuracy throughout a magnetic experiment was challenging. In 2020, Crosbie Smith and I took an original Fox dipping needle on a voyage from Falmouth to Cape Town, retracing the routes of survey expeditions, including James Clark Ross's 1839–43 Antarctic venture. The article offers an account of our experiences, combined with historical reports of the instrument's past performances. It explores the instrumental challenges involved in nineteenth-century global experimental investigation. The great problem for the British magnetic survey was of coordinating standardized experimental measurements over vast expanses of space and time. As this article argues, this was very much a question of instrumental management, both of dipping needles and of human performers.

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Authors & Contributors
Staubermann, Klaus B.
Cavicchi, Elizabeth
Sybil G. de Clark
Pence, David Evan
Wess, Jane A.
Roberts, G. W.
Journals
Notes and Records: The Royal Society Journal of the History of Science
Journal of Astronomical History and Heritage
Isis: International Review Devoted to the History of Science and Its Cultural Influences
British Journal for the History of Science
Technology and Culture
Journal of Interdisciplinary History
Publishers
Pavia University Press
NMS Enterprises
Concepts
Scientific apparatus and instruments
Historical reconstruction
Scientific expeditions
Experiments and experimentation
Magnetism
Government sponsored science
People
Page, Charles Grafton
Boyle, Robert
Kleist, Ewald Georg von
Poli, Giuseppe Saverio
Gauss, Carl Friedrich
Zöllner, Johann Karl Friedrich
Time Periods
19th century
18th century
17th century
Early modern
Medieval
20th century, late
Places
Great Britain
Polar regions
Italy
Germany
Australia
India
Institutions
Royal Society of London
International Polar Year (1882-1883)
East India Company (English)
International Geophysical Year (IGY)
Royal Geographical Society
National Maritime Museum (Great Britain)
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