Public lantern lectures organized in Haarlem 1925-1926

Public lantern lectures, that is a public lecture featuring image projection and organized for a variety of audiences, were once a staple of the so-called social winter...公开幻灯讲座（lantern lecture），即一类以图像投影为核心特色、面向各类受众群体筹办的公开讲座，曾是所谓‘社交冬季’的主流活动之一……