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$699.99 (free shipping/handling) The Trippensee® planetarium (EL- 400) and the motorized Trippensee® planetarium (EL- 500) are orreries that perform the same functions; the difference being that the motorized model contains a spring wire connection to the red arm which moves the planetarium arm to revolve the Earth, moon, and Venus balls around the sun. These planetariums are durable and reliable gear and ladder chain driven so that the Earth maintains it’s 23-1/2° axis, revolves around the sun and rotates on it’s axis, all at the same time. The moon revolves around the Earth and keeps it’s one face toward the Earth. Venus also revolves around the sun, and can be positioned by hand, as well, to show phases and where it is located as the morning or evening star. Among the phenomena which the models show are the following:
EL-501 (220 volt - Export model) $950.00 Please call 812-333-2772 or email traveler@1ststoptravelstore.com for an international shipping quote
Call us toll-free 1(877) 822-9889 for orders/questions Mon.- Sat. 10am-5:30pm | |||||||||||||||||||||||||||
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101 W. Kirkwood Ave. # 105 Bloomington, Indiana 47404
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