2 v. xi+1-250b+251-338 p. il. and vii+126 p. il. 12°
Notes:
(Flight preparation training series.) [The last page or pages of each chapter are left blank to be used for notes. Volume 2 has title: The effects of flight.]
Notes:
(Flight preparation training series.) [The last page or pages of each chapter are left blank to be used for notes. Volume 2 has title: The effects of flight.]