Description

and steel cubes machined to the same 1

5 by 4-inch ventilation apparatus modeling historic mine-gallery airflow and domestic chimney convection through a candle-driven hot-air-rise demonstration

vertical graduated tube

Graduated white screen mounted for use on the optical bench

63-Piece Worcester Electrical Circuit Board Kit Science Classroom and steel cubes machined toHard plastic 13x13 inch Worcester circuit board with 12 metal poles and 4 banana terminals, the foundation for student built series parallel circuits and electromagnetic induction demonstrations.

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63-Piece Worcester Electrical Circuit Board Kit Science Classroom and steel cubes machined to

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