Over time, the company grew out to an internationally operating conglomerate with interests in steel and other metals, mining, gas and oil exploration and production and other industrial activities. Provided with a capital stock of 500.000 Goldmark ‘Preussag’ or the ‘Preussische Bergwerks- und Hütten Aktiengesellschaft’ entered into activity as a mining and steel company operating from Berlin (foundation October 9, 1923). In 1923 the Prussian state run coal mines, steel mills and salt works -not located in the Ruhr- were converted into stock corporations. Preussag advertising in the GDK-exhibition catalog 1941. Right: the ‘Königliches Hüttenambt Gleiwitz’- stamp. the ‘Königliches Hüttenambt Gleiwitz’- stamp (crown and the letters HAG). the Preussag-schield (the Prussian coat of arms from 1933 to 1935 consisting of an eagle with a swastika, sword and lightning bolts, and below a hammer and pick) Ģ.
The plaques are provided on the back with two marks from foundry Preussag, the ‘Preussische Bergwerks- und Hütten AG‘, founded at Octoin Berlin:ġ. Special 32-pages DAF-brochure ‘Die Richtlinien zum Leistungsabzeichen für Volksgesundheid‘ (‘Guidelines for the Leistunsgabzeichen für Volksgesundheid‘). The DAF ‘Leistungsabzeichen Vorbildliche Sorge um die Volksgesundheit’ goes with the extremely rare DAF-brochure ‘Die Richtlinien zum Leistungsabzeichen für Volksgesundheid‘ (‘Guidelines for the Leistunsgabzeichen für Volksgesundheid‘). Works with a historical value, and aesthetical expressive design. Large iron plaques (73 x 53 cm) weighting 21 kilogram each. – ‘Vorbildliche Förderung von Kraft durch Freude‘ (‘for Outstanding Support of the KdF organisation’).ĭesigned by Professor Kurt Baer, goldsmith in Berlin. – ‘Vorbildliche Sorge um die Volksgesundheit‘ (‘for Outstanding Contribution to Public Health’) Results show that data from focus groups and questionnaires can be used for evaluation of usability in the future, rendering complex EMG measurements unnecessary and making usability evaluation more efficient.Set of two ‘DAF Leistungsabzeichen’ (awards) for the following achievements: Practitioner summary: A handle for a tablet used in production environment is evaluated with different methods. Classifying handles as tangible human machine interfaces, we suggest that subjective evaluation with focus groups and CQH is efficient to evaluate their ergonomic quality. Results consist of an evaluated prototype, and data that shows the comparability of results from focus groups and questionnaires to results from EMG measurements. With a field and a laboratory study, we evaluate four handles in order to identify i) the most ergonomically rated handle and ii) the most efficient evaluation method. We combine and compare results of focus groups and the Comfort Questionnaire for Hand tools (CQH) with electromyography (EMG).
In this paper, we present a multi-method evaluation of handles for a shop floor tablet. The ergonomics of such handles is under-researched, resulting in a lack of methods for their design and evaluation. Tablets on the shop floor need handles because user requirements for handling differ from tablet usage in leisure time. Wir freuen uns über die Annahme unseres Beitrages Get a Grip: Multi-Method Evaluation of Handles for Tablets on the Shop Floor und wünschen allen Interessierten viel Freude beim Lesen und Zitieren. Die Inhalte der Zeitschrift bestehen Forschungsergebnissen zu den psychologischen, physiologischen, anatomischen und ingenieurwissenschaftlichen Gestaltungsaspekten des Menschen bei der Arbeit, wobei vor allem die Optimierung von Mensch-Maschine-Schnittstellen im Vordergrund steht. Die Zeitschrift Ergonomics ist eine internationale Fachzeitschrift mit einer 60-jährigen Tradition in der Veröffentlichung hochwertiger Forschung.
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