Chem Time Clock

Chem Time Clock

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In Stock
Item #: TIM-510

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  • Description
  • Product Reviews
  • NGSS
Our 24-hour Chem Time Clock replaces the usual numbers found on the face of a clock with symbols of elements having corresponding atomic numbers. 'H' replaces '1', 'He' replaces '2', etc. The idea for this clock came from Prof. Bassam Shakhashiri at the University of Wisconsin, who had one made during the summer of 1983. It is the perfect addition to a science classroom.

(Requires 1 AA Battery - not included.) 13 inch diameter. Attractive green border.

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