<p>Experimental lab test of new central air conditioning unit which diffuses cool air at floor level; smoke making cool air visible has risen to the 3-ft-high level. July 1945.</p>
<p>Air conditioned car, August 1952</p>
<p>Looking in to the magical air conditioned car</p>
<p>Which ice cream cone <em>are you</em>?</p>
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