Abstract The subject of gases was on the agenda of many learned scientific gentlemen in the second half of the eighteenth century. This was not only because of the extraordinary account that had been given as to the physical and chemical composition of the third state of matter, but also, and perhaps mainly, because of the extraordinary properties that at least one of these gases seemed to offer for food preservation, the medicinal properties of natural waters and medical applications. These putative practical applications were highly sought after by society at the time, particularly for long-distance sea journeys. This paper focuses on the Portuguese polymath João Jacinto de Magalhães (1722–1790), also known as John Hyacinth de Magellan. It shows some specific aspects of his activities as a disseminator of Priestley's discoveries on pneumatics, mainly in Flanders, Holland and France, and through his large network of scientific correspondents.

中文翻译：

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John Hyacinth de Magellan 在英国、佛兰德斯和法国的科学网络和传播方面

摘要 18 世纪下半叶，许多博学的科学绅士将气体问题提上了议事日程。这不仅是因为对物质的第三种状态的物理和化学组成给出了非凡的解释，而且也许主要是因为这些气体中的至少一种似乎提供了非凡的特性食品保鲜、天然水的药用特性和医疗应用。这些推定的实际应用在当时受到社会的高度追捧，尤其是长途海上旅行。本文重点介绍葡萄牙博学者 João Jacinto de Magalhães (1722–1790)，也被称为 John Hyacinth de Magellan。它显示了他作为普里斯特利传播者活动的一些具体方面