DESCRIPTION
electrical generator illustration was published in 1884 "technique and technology" scan by Ivan Burmistrov [url=http://www.istockphoto.com/file_search.php?action=file&lightboxID=7498615][img]http://img-fotki.yandex.ru/get/4009/iburmistrov.2/0_3eb98_f06d070c_orig[/img][/url]