ESHS/HSS Annual Meeting

Building the Eclipse Enterprise: Administration, Diplomacy, and the Making of British Eclipse Expeditions

• In Event: Emerging from the Shadow: New Perspectives on Solar Eclipse Expeditions 1

English Abstract

Over the course of the nineteenth century, British eclipse expeditions increased dramatically in scale, both logistically and geographically. This growing ambition required detailed planning structures, assertions of institutional authority, and complex international diplomacy, giving rise to a state-supported eclipse enterprise that was ultimately formalised with the establishment of the Joint Permanent Eclipse Committee. This paper re-examines the vast archival material surrounding British expeditions to re-frame them as a continuous scientific enterprise whose success depended on a network of skilled administrators, government officials, Admiralty officers, and scientific institutions, rather than as isolated scientific ventures.

Studies that focus on the research goals and results of specific expeditions often obscure the broader structures that enabled eclipse work and the precedents established by earlier ventures. When justifying the significant expense and necessity of continued eclipse observations, astronomers rarely appealed to the scientific results of previous attempts. Instead, they emphasised prior state support, diplomatic and administrative successes, and the importance of maintaining a British presence in the field. This is especially evident when investigating expeditions that failed to produce novel scientific results, but which were fundamental in establishing or strengthening the precedent for state-supported eclipse work.

Thus, this paper argues that, while advances in eclipse research, the emergence of new technologies and observational techniques, and individual ambitions may have shaped the goals of individual expeditions, the continuity in administration, establishment of long-term planning structures, and the importance of maintaining an international presence were more important in building and sustaining the British eclipse enterprise than the scientific results achieved.

Author

• Jesse Garrison, University College London