Show rozer roer bacon first to talk 0 of metal airship in the alli metal airship we see resin realized 1 i ze d an eight century old project in the century says domestic air news united states department of 0 commerce roger dacon bacon english philosopher and franciscan friar seems to have been the first to realism realise the principles ot of it if we discard karcher and the legends bacon wrote in glowing language on the possibility of if constructing engines of 0 immense size and power that could traverse the land and the water with great speed and carry with them persons and merchandise ue lie proposed the ceist ruction of na an aerial nin machine chine which must be a large hollow globe clotie of copper or other sult suit ahle material filled with ethereal nir air or liquid fire bre some have claimed bacon referred to rarefied air and hydrogen gas and then launched from some eleNa elevated ted point into the at noi phere where it will blont like a vessel on the water there may be made bacon said flying machines so that a man afan sits in ili the midst of 0 the nin machine chine revolving some engine by alch artificial wings are made to beat the air like a bird the idea of the rigid airship may ii bel traced from bacon through alberta Alber tua de ISM 1350 mendoza lana courdin 1783 delcourt 1824 monge 1843 giffard IS io apless to zeppelin 1000 1900 all ot of whom proposed metal for the hull bull |