Pascal's Law Apparatus, 10 x 7 x 1" Subcategory_Magnetism Thirteen-piece mix of nine steel

Thirteen-piece mix of nine steel and four brass precision weights from 1 gram to 1 kilogram

Shows oxygenated and deoxygenated blood paths between heart chambers and alveolar surfaces through seven hand-painted removable parts designed with medical-professional input

a beginner-level counting tool for preschool and early-elementary number introduction

vacuum filtration

Pascal's Law Apparatus, 10 x 7 x 1" Subcategory_Magnetism Thirteen-piece mix of nine steelPascal's law apparatus on a 10 by 7 inch base with four interchangeable vessels screwed into a lever pointer aperture whose rubber diaphragm displays pressure on a vertical index scale.