Frej Ossiannilsson
... that by pushing a glass tube into his ear, pioneering biotremologist Frej Ossiannilsson discovered that the leafhopper inside the tube produced faint vibrations?
... that by pushing a glass tube into his ear, pioneering <a href="./Biotremology" id="mwBWk" rel="mw:WikiLink" title="Biotremology">biotremologist</a> <b id="mwBWo"><a href="./Frej_Ossiannilsson" id="mwBWs" rel="mw:WikiLink" title="Frej Ossiannilsson">Frej Ossiannilsson</a></b> discovered that the <a href="./Leafhopper" id="mwBWw" rel="mw:WikiLink" title="Leafhopper">leafhopper</a> inside the tube <a href="./Seismic_communication" id="mwBW0" rel="mw:WikiLink" title="Seismic communication">produced faint vibrations</a>?