Four Globe Orrey Apparatus (Hand Operated) Hand Operated with gear wheel arrangement – Laboratory Educational Equipment We offer best working models of geography from India ideal for educating children in classroom or science fair project day and night model (motorized). This motorized working model educates students how day & night works. We manufacture superior quality products. Silent features: The four Globes (balls) with inclined axis Always pointing in the same direction With candle to represent Sun in Center of metal disc.
