Description

supplying clean test signals for AC work

14 push buttons

Wooden-frame abacus on a 13

Refracting white light into a visible rainbow spectrum

12-Piece Steel Extension Spring Set, 6-9" Physics_Force & Motion supplying clean test signals forTwelve spring steel extension set paired across six size combinations with looped ends, offering a spread of spring constants for simultaneous comparison in oscillation and Hooke's Law experiments.

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12-Piece Steel Extension Spring Set, 6-9" Physics_Force & Motion supplying clean test signals for

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