Photo of CBS (Columbia Broadcasting System) vocalist Harriet Lee aboard the new Baltimore and Ohio train <a href="https://en.wikipedia.org/wiki/Columbian_(B%26O_train)" class="extiw" title="en:Columbian (B&amp;O train)"><i>The Columbian</i></a>.  The train traveled between New York (Jersey City) and Washington DC and was the first passenger train to use air conditioning.<br><ul><li>The item has no copyright markings on it as can be seen in the links above.</li>
<li><a rel="nofollow" class="external text" href="https://www.copyright.gov/circs/circ03.pdf">United States Copyright Office page 2</a> "Visually Perceptible Copies The notice for visually perceptible copies should contain all three elements described below. They should appear together or in close proximity on the copies.</li></ul><dl><dd>1 The symbol © (letter C in a circle); the word “Copyright”; or the abbreviation “Copr.”</dd>
<dd>2 The year of first publication. If the work is a derivative work or a compilation incorporating previously published material, the year date of first publication of the derivative work or compilation is sufficient. Examples of derivative works are translations or dramatizations; an example of a compilation is an anthology. The year may be omitted when a pictorial, graphic, or sculptural work, with accompanying textual matter, if any, is reproduced in or on greeting cards, postcards, stationery, jewelry, dolls, toys, or useful articles.</dd>
<dd>3 The name of the copyright owner, an abbreviation by which the name can be recognized, or a generally known alternative designation of owner.1 Example © 2007 Jane Doe."</dd></dl>
CBS Radio
1931-06-18
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