Ewart, William Dunlop.
Hydroplanes and hovercraft / William Dunlop Ewart ; illustrated by Kenneth M. Sibley. - London : Frederick Muller Limited, 1962. - 141 p. : ill. ; 20 cm.
Includes index.
392 392
Hydroplanes.
Ground-effect machines.
629.13347 / E18h
Hydroplanes and hovercraft / William Dunlop Ewart ; illustrated by Kenneth M. Sibley. - London : Frederick Muller Limited, 1962. - 141 p. : ill. ; 20 cm.
Includes index.
392 392
Hydroplanes.
Ground-effect machines.
629.13347 / E18h