Porcelain Telephone and Telegraph Signs
There are dozens and dozens of designs and styles of porcelain signs that feature telephone or telegraph information. Here is a nice photograph of a collection of porcelain signs.
There is one known variety of porcelain sign that features insulator advertising. Here is a photograph of this very rare sign. Only a few of these are known to exist.
An informative web site is The History of the Blue Bell Telephone Sign as implemented by New England Telephone and Telegraph.
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Last updated Thursday, June 15, 2006