Reviewed by: Sulphuric Utopias: A History of Maritime Fumigation by Lukas Engelmann and Christos Lynteris Brad Bolman (bio) Sulphuric Utopias: A History of Maritime Fumigation By Lukas Engelmann and Christos Lynteris. Cambridge, MA: MIT Press, 2020. Pp. 320. Sulphuric Utopias: A History of Maritime Fumigation By Lukas Engelmann and Christos Lynteris. Cambridge, MA: MIT Press, 2020. Pp. 320. In the early months of the COVID-19 pandemic, transport ships became objects of added suspicion, with governments recommending masks and handwashing for crews, as well as routine disinfection and increased air circulation. In extreme cases, quarantine was required, threatening the transit of goods across the globe. Although written before the outbreak, Lukas Engelmann and Christos Lynteris's Sulphuric Utopias feels like urgent reading. Maritime fumigation is no one's first choice for a good time, but Engelmann and Lynteris's ambitious study, which knits together histories of technology, medicine, and science, offers a timely account of how the expansion of international commerce relied on relatively unheralded technologies, namely fumigation. Focused, in particular, on the sulfereous Clayton machine—its New Orleans genesis and distribution across the world's major trading ports—the authors reveal how quarantine and commercial mobility became reconciled, making the Clayton machine, they argue, "a forgotten pillar of globalization" (p. 5). The book opens with a history of the medical and scientific underpinnings of fumigation, as well as an abbreviated history of quarantine (ch. 1). From J. C. Galès's "fumigatory box" to the earliest international sanitary conferences, fumigation supported an expanding system of maritime sanitation and a view of the absolutely central chemical battle against infectious disease. Next, the authors introduce the "Clayton" (ch. 2). The device, Engelmann and Lynteris argue, was neither a result of the broader bacteriological revolution nor of particular breakthroughs regarding disinfection. Rather, besieged as New Orleans was by yellow fever and a host of other ailments, the need to slow or eliminate the spread of illness without imposing longer, "barbarous" detentions spurred development of the Clayton and related devices (p. 68). The authors then turn from New Orleans to explore carbon-based fumigation in Ottoman and German contexts around the turn of the twentieth century, showing how rats became the prime target of maritime fumigation (ch. 3). Readers witness the Clayton's introduction to England and France, where the attraction of destroying rat populations helped ensure the device's utilization (ch. 4). In this account, it was the ship itself, rather than ports, that became the key object of disinfection during the first decades of the twentieth century, with Claytonization a relatively economic as well as politically palatable method for maintaining inter-imperial trade. The authors then reveal how international conferences acted to "stabilize" [End Page 616] the Clayton machine as a preferred fumigation device—even amid concerns about its effectiveness—due to its adaptability for larger and smaller spaces (ch. 5 and 6). By 1903, whether one believed in the Clayton, fumigation itself was undeniably attractive, and a French alternative appeared: the Aparato Marot, known as the "Sulfurozador" in Argentina, where it left ships to support a city-wide fumigation strategy. Engelmann and Lynteris call this and other programs "sulphuric utopias": visions of a future commerce uninhibited by the "stasis" of quarantine. Yet in the final chapter, we see sulferic utopias already reaching their demise around the third decade of the twentieth century. After World War I, maritime fumigation abandoned its focus on germicide. Alongside this shift in strategy came a chemical transformation, with cyanides gradually replacing sulfer-based technologies such as the Clayton. Where sulfer had sunk to ship hulls, allowing rats to flee to higher ground, hydrocyanic acid (HCN) was devastating at all levels. "With the disjuncture of disinfection and disinfestation in the practice of fumigation, efficiency in terms of the rapid destruction of pests and vermin became more important than the capacity to kill pathogens" (p. 191). New air-jet sprays that could direct HCN directly into rat nests were sulferization's death knell. Sulphuric Utopias is laudable for its sweeping geographical scope and multidisciplinarity. Its slight chapters, indeed, leave much room for additional scholarship. The book suggests that the Clayton machines and the wider experimental system surrounding...
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