Function and applications Device for demonstrating the movements of the earth and moon. Models of these celestial bodies rotate on a lever arm around a light source that represents the sun. A Fresnel lens is used to generate an extremely bright, parallel light beam for full irradiation of the terrestrial globe. The focussing of a point of light on the globe serves to represent the apparent migration of the sun between the tropics.
Benefits By using the Fresnel lens, day and night, seasons, moon phases and eclipses are clearly demonstrated. Equipment and technical data Detailed instructions are included for the following 13 teaching units: Earth as a top - day and night - hour - polar day and polar night - tropics - seasons - day and night lengths in different latitudes - times of day - moon phases - eclipses - tides - earth circumference - geostationary satellite.
Equipment and Technical Data • Globe diameter: 100 mm. • Connection voltage: 230 V ~ (power pack incl.) • Dimensions (mm): 650 x 250 x 250. • Weight: 3 kg.
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All deliveries subject to stock availability. Variable shipping costs will be applied at the checkout according to the country of destination, see below. Please note that we are unable to ship to PO Boxes.
No delivery of hazardous material. Parcel delivery only, not palettes. Maximum weight per parcel: 31,5 kg.
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France
19.00 €
Netherlands
19.00 €
Belgium
19.00 €
Denmark
19.00 €
Finland
19.00 €
Sweden
35.00 €
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