Mesmerizing Miniatures via Atlas Obscura. In 1896, the Salmin Brothers, a Padua-based publishing company, produced Galileo a Madama Cristina de Lorena (Galileo’s Letter to Christina). It had an embossed cover and slipcase, but it had another, exceptional feature: It was sized at just 0.7 by 0.4 inches. Within, the text...