Description

75-inch plastic base

Pan balance demonstration lever with a low-friction brass pivot

Plated spring arm with press knob and a single contact stud

suitable for securing tubes and flask necks in general laboratory assemblies

cellular organization

Polarizing Filter Stress Demonstration Apparatus Gifts 75-inch plastic baseBuilt to reveal stress fringes in transparent solids, this apparatus pairs two 8 inch polarizing filters in a wooden frame with four acrylic shapes that show photoelastic patterns when squeezed.

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Polarizing Filter Stress Demonstration Apparatus Gifts 75-inch plastic base

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