American water tap. Lower lever controls water exit; left: to tub ("TUB"), right: to shower ("SHR"), middle: no water. Central lever controls temperature: turn anti-clockwise to augment water flow, turn further to increase temperature.
<a href="//commons.wikimedia.org/wiki/User:Miguel_Andrade" title="User:Miguel Andrade">Miguel Andrade</a>
<span class="int-own-work" lang="en">Own work</span>