Please address
and return to
stewardess who
will stamp and
mail for you ...
POST UNITED
UNITED CARD
AIR LINES
y-
A cutaway view of United's 4-engined Main-
liner for the "Age of Flight." Streaking across
the sky at 300 miles per hour, the plane will
carry 52 passengers and 5500 pounds of mail
and air express.
