Front:
GULF
Gulf Exhibit at the World's Fair,
A Century of Progress, Chicago, IlI.
Back:
P O S T
1ยข
At the Gulf Exhibit will be found the World's Largest Auto
Cylinder, a reproduction of the World's Largest Atmospheric-
Vacuum Still, the Airplane Motor that set the World's Endur-
ance Record, and many other things of interest. Don't miss it!