Rotary Photographic Co. 1899-1921 London, England Produced a wide variety of greetings and postcards as real photos. These cards were manufactured in Great Britain and issued under many trade names such as Biogravure, Bromiris, Linette, Moisette, Opalette, Rajah Bromide, Rotokon, Rotoscope, Rotox, Rotriton, and Silvo. They also made photo cards for other publishers. In 1921 they became one of seven companies that joined together to form Amalgamated Photograph Mfg., Ltd., and they are now part of Illford.