Origin of heavier-than-air
Examples from the Web for heavier-than-air
Historical Examples of heavier-than-air
Wood is not employed in the construction of these heavier-than-air craft.Aeroplanes and Dirigibles of War
Frederick A. Talbot
Heavier-than-air machines have gradually popularized flying.Zeppelin
It was, without shadow of doubt, the last word in the science and manufacture of a heavier-than-air machine.The Great Airship.
F. S. Brereton
Not until the twentieth century did the advocates of the heavier-than-air machines show the value of their fundamental idea.
On his return to Paris he at once began experimenting with heavier-than-air machines.