Keywords: Seydler.jpg August Seydler August Seydler Original source http //sirrah troja mff cuni cz/~mira/astronomie/Hvezdarna/historie/historie html Transferred from http //en wikipedia org en wikipedia; transferred to Commons by User Sevela p using http //tools wikimedia de/~magnus/commonshelper php CommonsHelper 2006-03-18 Original uploader was Antidote at http //en wikipedia org en wikipedia PD-old-70 original upload log page en wikipedia Seydler_ jpg 2006-03-18 21 44 Antidote 257×386× 27775 bytes <nowiki> PD-old-50 </nowiki> DEFAULTSORT Seydler August 1849 births 1891 deaths Astronomers from the Czech Republic Physicists from the Czech Republic August Seydler |