PASCALS LAW APPARATUS ,Each

Details:

Pascalft S Law Apparatus^ Pascalft S Law Apparatus, Weight: 3.3Lb, Length: 13.0In, Width: 8.7In, Height: 9.4In, Consists Of A Moulded Plastic Base Into Top Of Which May Be Screwed One Of A Set Of Four Vases Of Differing Shape & A Movable Index On Vertical Rod Enables The Height Of Water