Media type: E-Article Title: Historia mundi: Das 19. und 20. Jahrhundert, Vol. X Contributor: Hughes, Thomas Parke; Valjavec, Fritz imprint: JSTOR, 1967 Published in: Technology and Culture Language: Not determined DOI: 10.2307/3101564 ISSN: 0040-165X Keywords: Engineering (miscellaneous) ; History Origination: Footnote: