Delaware County Institute of Science
... that a rare microscope designed by Joseph Zentmayer is on display at the Delaware County Institute of Science?
... that a rare microscope designed by <a href="./Joseph_Zentmayer" id="mwAoU" rel="mw:WikiLink" title="Joseph Zentmayer">Joseph Zentmayer</a> is on display at the <b id="mwAoY"><a href="./Delaware_County_Institute_of_Science" id="mwAoc" rel="mw:WikiLink" title="Delaware County Institute of Science">Delaware County Institute of Science</a></b>?