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<div style="direction: ltr;font-family: Tahoma;color: #000000;font-size: 10pt;">Here are some using a set of axes, as in the POS paper circulated earlier<br>
<br>
Torfieldrock just shows three views of a positron. <br>
<br>
Torfieldsinglemin0.4 is just a simple double loop. Not too busy.<br>
<br>
Trockrevert is similar to the first, but with a glass torus.<br>
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Cheers, John.<br>
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