First instruments of the National Observatory of Athens. When. From Where, Why and How

This lecture is scheduled within Symposium 12 of the 23rd International Congress of History of Science and Technology, "Ideas and Instruments in the Social Context in the Ottoman Empire and the National States".
Organisers: Ekmeleddin Ihsanoglu, Efthymios Nicolaidis, Tuncay Zorlu (Turkey/Greece)