| 摘要 |
<p>An earth planet model as illustrated in the drawings having a base supporting a globe cradle 28. The globe cradle supports a globe 40 at a north pole bearing 48 and at a south pole bearing 50 with the polar axis of the globe being inclined. The model 10 has a polar shaft 66 with a north pole shaft end 68 extending upward through the north pole bearing 48 and a south pole bearing end 70 extending downward through the south pole bearing 50. A light illuminating means is tiltably mounted on the polar shaft 66 for tilting movement and for rotation with the shaft for illuminating the interior of the globe. The model 10 has a manual adjusting means associated with the north pole bearing 48 for manually adjusting the inclination of the illuminating means in response to the setting of a manual knob. A timer drive is detachablv coupled to the south pole shaft end 70 for rotating the polar shaft with respect to the globe. The timer is removably mounted on the base. A dimmer circuit 128 is provided to adjust the magnitude of the illumination within the globe.</p> |
