Black-organ of 1900/1901: Lead pipes of <a href="https://en.wikipedia.org/wiki/tubular-pneumatic_action" class="extiw" title="en:tubular-pneumatic action">tubular-pneumatic action</a>, Schwarz-organs in <a href="https://en.wikipedia.org/wiki/Salem_Abbey" class="extiw" title="en:Salem Abbey">Salem Minster</a> in <a href="https://en.wikipedia.org/wiki/Salem,_Bodensee" class="extiw" title="en:Salem, Bodensee">Salem</a>, Germany (Wilhelm Schwarz, 1901)
<a href="//commons.wikimedia.org/wiki/User:Saberhagen" title="User:Saberhagen">Saberhagen</a>
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>