Talk:Solar Fire Drawings: Revision history

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26 June 2011

25 June 2011

  • curprev 23:4723:47, 25 June 2011‎ Gregortheinventor talk contribs‎ 228 bytes +228‎ Created page with "Are you sure about this 1000x focal ratio stuff? Even a perfect parabola is limited by the optics. The ratio of the distance to the sun divided by the distance from the bottom ..."
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