Royalty, Espionage, and Erotica: Secrets of the World's Tiniest Photographs...
Almost as soon as photography was invented, the fi... ...became popular among the general public when the Stanhope lens, a tiny magnifying glass, was developed. Beg... ...ge at the time claimed that the English preferred Stanhopes with photos of calendars or banknotes, the Italia... ...s wanted more risqu&eac...
https://www.neatorama.com/2014/12/03/Royalty-Espionage-and-Erotica-Secrets-of-the-Worlds-Tiniest-Photographs/
