This count retired from the Prussian army in 1891 to build the motor-driven airships that bore his name
[DOC] [TLE] A History of Aeronautics, by E. Charles Vivian - The UK Mirror Service [PAR] The sea that to this day bears his name witnesses that he made the attempt and 
...... With four globes of these dimensions Lana proposed to make an aerial ship 
of ..... even if the helicopter were applied to a full-sized, engine-driven air vehicle, 
...... flights between 1891 and the regrettable end of his experiments; his practical
... [DOC] [TLE] The Project Gutenberg EBook of Aircraft and Submarines, by Willis J ... [PAR] "Why not fill a big paper bag with smoke and make it lift objects into the air?