Invisible interpretations: reflections on the digital humanities and intellectual history

Much has been made of the digital humanities, yet it remains an underexplored field in relation to intellectual history. This paper aims to add to the little literature which does exist by offering a survey of the ideas and issues facing would-be practitioners. This includes: an overview of what the digital humanities are; reflections on what they offer intellectual history and how they may be problematic in regard to, first, accessing texts, and second, analysing source material; a conclusion with three reflections on future best practices – to be sceptical of digital sources, to be reflective of methodologies and how they may need to be modified when engaging with the digital humanities, and to embrace more directly the methodological, statistical, and technical aspects behind digital humanities. The aim is not to provide all the answers – at this stage that is impossible – but to be part of an emerging and ongoing discussion

Under the waves, above the clouds: A history of the pressure suit

This publication describes the development of so-called “pressure suits” in the 1930s in Europe from a scientific, technical, cultural and political perspective. It is detailed that those suits first and foremost were devised to achieve altitude records in aviation and not for their military value, although the majority of the suits that were developed had the air forces involved. This work outlines the manifold entanglements between private sector, military and science, which was a prerequisite not only for the development of pressure suits, but also for pressure cabins, breathing equipment and other protective garment. The close relation between diving medicine and aviation medical research is exposed in this context. Please note: It is stated on page 274 of the PDF-document that the images from the Bundesarchiv (German Federal Archive) are generally licensed under the Creative Commons License scheme. This is inaccurate; all images in this publication obtained from the Bundesarchiv can be used by permission of the Bundesarchiv only (cf. http://www.bundesarchiv.de/benutzung/voraussetzungen/bild/index.html.en

The Dawn of a Golden Age? Historical GIS and the History of Choropleth Mapping in the Netherlands

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'The Prevention of Compressed Air Illness' by Haldane et al - ACommentary

There is scarcely a publication on decompression theory that does not refer to “The Prevention of Compressed Air Illness,” the seminal paper of Haldane et al1 that appeared in the Journal of Hygiene. Although the monograph of the Frenchman Paul Bert 2 from 1878 is regarded as fundamental in respect to the discovery of the principal mechanisms involved in decompression, it is Haldane who is always associated with the first set of decompression tables. In general, 4 major topics are usually attributed to him: 1) the concept of “stage decompression,” 2) the “2:1”-supersaturation ratio, 3) the calculation of the on- and off-gassing of body tissues with inert gas, and 4) the calculation of the first decompression table