An old exit sign that does not meet modern fire codes.  This sign is grandfathered in with an older building.  Taken in Campbell Hall, <a href="https://en.wikipedia.org/wiki/Michigan_State_University" class="extiw" title="en:Michigan State University">en:Michigan State University</a>.
<a href="https://en.wikipedia.org/wiki/User:Shadowlink1014" class="extiw" title="wikipedia:User:Shadowlink1014">Shadowlink1014</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>
Transferred from <span class="plainlinks"><a class="external text" href="https://en.wikipedia.org">en.wikipedia</a></span> to Commons.