FOUR GLOBE ORREY APPARATUS (SEASON APPARATUS)
FOUR GLOBE ORREY APPARATUS (SEASON APPARATUS)
A useful apparatus to study the course of season, formation of day & night and
eclipse etc. Four bolls representing globes facilitate the comparative study of
earth in different position. It has a disc having name of 12 months. 4 seasons and
their cardinal points inscribed on it. The four balls revove around the sun
represented by another ball. The assembly rotates upon a series of gears
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