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| Keywords: Dr Julius Neubronner patented a miniature pigeon camera activated by a timing mechanism, 1903.jpg en 1903 Dr Julius Neubronner patented a miniature pigeon camera activated by a timing mechanism The invention brought him international notability after he presented it at international expositions in Dresden Frankfurt and Paris in 1909 “1911 Spectators in Dresden could watch the arrival of the camera-equipped carrier pigeons and the photos were immediately developed and turned into postcards which could be purchased See photos here File Pigeon wingtips jpg<br /> Photograph of a photo in the National Air Space Museum Spy Technology Section cs 1903 Dr Julius Neubronner patentoval lehkou holubĂ kameru která se spouštÄ›la ÄŤasovĂ˝m mechanismem <br /> Photograph of a photo in the National Air Space Museum Spy Technology Section http //www flickr com/photos/novus_photo/2284610543/sizes/o/ Dr Julius Neubronner 1903 PD-old Pigeons in aerial photography Spy cameras | ||||
