Tellurium

Tellurium
A high quality tellurium designed to demonstrate on a large scale the relative movements of the Sun, Earth and Moon, so as to understand the causes of a number pf phenomena such as day and night, changing length and direction of shadows, seasons of the year, phases of the Moon, eclipses of the Sun and Moon. Hand operated with belt drive.

Tellurium ALTEC Laboratory Equipments and ALTEC Laboratory Instruments Tenders.