Yellow Page Phone Book Ads,
Portland Oregon, 1953
There were 13 investgiative
services and four display ads listed in the Portland yellow page
telephone direcrtory in 1953. The population of Portland in 1953
was about 70,500. Note the use of the slogan "secret service"
in the Stickle ad. Stickle advertised that they had both "male
and fmale operators" Raymond De Lano advertized the fact that
the had the "latest electronic sound recording and photographic
equipment." Note the advertising slogan U.S. Protective Service
used about selecting an investigator like you would a lawyer or
physician. Also note that Spears used the slogan, "An Investigation
Well Done Is A Case Half Won." In 1953, the use of the term,
"secret service work" was still being used in the private
Ralph D. Thomas PI Vintage Collection
THOMAS INVESTIGATIE PUBLICATIONS, INC.
NATIONAL ASSOCIATION OF INVESTIGATIVE SPECIALISTS, INC.
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