In the late nineteenth and early twentieth centuries, at a time when administrations in various countries set up new school systems or considered reforming existing ones, world exhibitions offered the ideal opportunity for the transnational exchange of knowledge and ideas. This article demonstrates both the impact of ideological views and…

In the early 1880s, Belgian educators were confronted for the first time with calls for the use of the optical lantern in schools. Around the same time, new pedagogical theories gained ground, which argued in favour of visually aided, more experiential forms of teaching. By investigating the pedagogical discourse on the introduction and use of…