Front:
SALT LAKE CITY
CHEYENNE
SIOUX CITY
LINCOLN OMAHA
SACRAMENTO
UNITED AIR LINES "3-MILE-A-MINUTE" MULTI-MOTORED BOEING
TO PORTLAND. TACOMA
SEATTLE. SPOKANE
VANCOUVER
TO GREAT FALLS
HELENA BUTTE
MILWAUKEE
CHICAGO
DETROIT
BUFFALO
NEW YORK
NEWARK
CLEVELAND
BOSTON
TO MINNEAPOLIS
ST. PAUL
ROCK SPRINGS
ELKO
RENO
NORTH
PLATTE
GRAND
ISLAND
DES MOINES
MOLINE
TOLEDO
OAKLAND
FRESNO
BAKERSFIELD
LOS ANGELES
SAN DIEGO
AKRON
DENVER
ST. JOSEPH
BURLINGTON
PHILADELPHIA
COLUMBUS
KANSAS CITY
ST LOUIS
CINCINNATI
PITTSBURGH
ID
WASHINGTON
Back:
Mailed from the Dome of the
TRAVEL AND TRANSPORT BUILDING
A CENTURY OF PROGRESS, CHICAGO
The Boeing monoplanes of United
Air Lines have ushered in a New
Era in Travel. With two 550 h. p.
super-charged Wasp engines, they
have a high speed of more than
three miles a minute. They carry
10 passengers, 2 pilots, stewardess and cargo and can
climb, fully loaded, more than 1,000 feet per minute
and to 10,000 feet in ten minutes. They can sustain
flight on only one engine.
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drop card in
slot provided.
Mail collected
several times
daily.