The conquest of the air; the romance of aerial navigation (1902)
Alexander, John · New York, A. Wessels company · leaf 167
ng is ever likely to displace Greens guide-ropefor ballooning above the land. To sum up: the ordinary balloon will only bepartially directable when the air-currents have beencharted ; the ballon dirigible of the Zeppelin andSantos-Dumont type will never be controllable instrong head-winds; to the ^… … 0 013 527 067 2 _^
Aeronautics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.