[Proof of performance]
Description:
Photograph of two graphs that range from 110 to negative 50. The graph on the top shows an exponential curve. The graph on the bottom shows a bell curve. The two graphs are taped.
Date:
February 12, 1974
Creator:
WBAP-TV (Television station : Fort Worth, Tex.)
Item Type:
Refine your search to only
Photograph
Partner:
UNT Libraries Special Collections