Freeman, Mae.
When air moves / [by] Mae Freeman. - New York : McGraw, 1968. - 44 p. : ill.
Discusses the invisible but real world of air whose volume fills tires and bags and whose force lifts planes, trains, and boats.
68016486
Aerodynamics.
Air.
533.6
When air moves / [by] Mae Freeman. - New York : McGraw, 1968. - 44 p. : ill.
Discusses the invisible but real world of air whose volume fills tires and bags and whose force lifts planes, trains, and boats.
68016486
Aerodynamics.
Air.
533.6