James Fergusons Mechanical Paradox Orrery
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Have you seen these articles?

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Ferguson’s Mechanical Paradox Orrery -- Part One James Donnelly Hobby DM Vol. 4 No. 3 Fall 2009
Ferguson’s Mechanical Paradox Orrery, Part Three" Chris Wood Hobby DM Vol. 4 No. 4 Winter 2009
Ferguson’s Mechanical Paradox Orrery, Part Two" James Donnelly Hobby DM Vol. 4 No. 4 Winter 2009
Ferguson’s Mechanical Paradox Orrery, Part Three" James Donnelly Hobby DM Vol. 5 No. 1 Spring 2010
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RE: James Fergusons Mechanical Paradox Orrery - by arvidj - 12-30-2015, 04:28 PM



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