Front:
UNITED AIR LINES "3-MILE-A-MINUTE" MULTI-MOTORED BOEING
TO PORTLAND. TACOMA
SEATTLE, SPOKANE
VANCOUVER
SACRAMENTO
SALT LAKE CITY
FRESNO
RENO
OAKLAND
BAKERSFIELD
ELKO
43300*
******
LOS ANGELES
SAN DIEGO
TO GREAT FALLS
HELENA. BUTTE
CHEYENNE
ROCK SPRINGS
DENVER
NORTH
PLATTE
SIOUX CITY
LINCOLN OMAHA
GRAND
ISLAND
ST. JOSEPH
TO MINNEAPOLIS
ST. PAUL
DES MOINES
KANSAS CITY
MILWAUKEE
CHICAGO
MOLINE
BURLINGTON
ST LOUIS
DETROIT
1110
TOLEDO
COLUMBUS
CINCINNATI
AKRON
UU
CLEVELAND
ammon
PITTSBURGH
BUFFALO
NEW YORK
NEWARK
PHILADELPHIA
ND
BOSTON
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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