| tellurion with Sun, Mercury, Venus, Earth and Moon made of cardboard (!) diameter 44 cm height 30 cm crank handle drive, illuminated sun built July 2009 |
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| orrery with sun, planets, some dwarf planets and moons made of brass diameter 53 cm height 37 cm electric driven built February - December 2010 |
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| accurate tellurion with Sun, Earth and Moon made of brass diameter 42 cm height 34 cm electric driven, illuminated sun | ![]() |
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built December 2010 - November 2011 |
| two simple tellurions made of printed paper, download here diameter 18 cm height 18 cm crank handle drive built May 2011 |
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| miniature steam engine dimensions 260 x 200 x 240 mm weight 1.3 kg fired with Esbit dry spirit purchased February 2011, in used condition |
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| stirling engine, made of cardboard (!) dimensions: 126 x 126 x 165 mm powered by a hot cup of water built March 2011 ![]() |
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| metal made stirling engine diameter: 100mm height: 120 mm powered by a hot cup of water pruchased June 2011 |
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