<s xml:id="echoid-s13207" xml:space="preserve">Eadem ratione uox
<lb/>
ita ad circinum efficit motiones.</s>
<s xml:id="echoid-s13208" xml:space="preserve"/>
</p>
<p style="it">
<s xml:id="echoid-s13209" xml:space="preserve">Vox eſt ſonus ex ictu aeris proueniens, quatenus ab humanis organis diuerſis modis ſpiritus extra mitti-
<lb/>
tur. </s>
<s xml:id="echoid-s13210" xml:space="preserve">Motus aeris ab eo ſpiritu icti in orbem fertur, perinde aquœ motus, in quam lapis proijcitur, plures
<lb/>
enim eſficit circulos ab uno centro ductos, ſed diſcrimen eſt inter orbes eos, qui in aqua, & </s>
<s xml:id="echoid-s13211" xml:space="preserve">eos qui in aere
<lb/>
fiunt. </s>
<s xml:id="echoid-s13212" xml:space="preserve">nam qui in aqua conſpiciuntur, circuli potius in plana aquœ ſuperſicie ſacti uocari debent, qui uero in