<!-- Size: 140 px -- >
<a href="/cliparts/c/e/a/8/1498554934980009269crookes-radiometer.thumb.png"><img src="/cliparts/c/e/a/8/1498554934980009269crookes-radiometer.thumb.png" alt='Crookes Radiometer image'/></a>
<!-- Size: 340 px -- >
<a href="/cliparts/c/e/a/8/1498554934980009269crookes-radiometer.med.png"><img src="/cliparts/c/e/a/8/1498554934980009269crookes-radiometer.med.png" alt='Crookes Radiometer image'/></a>
<!-- Size: 640 px -- >
<a href="/cliparts/c/e/a/8/1498554934980009269crookes-radiometer.hi.png"><img src="/cliparts/c/e/a/8/1498554934980009269crookes-radiometer.hi.png" alt='Crookes Radiometer image'/></a>
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