US$ 50.00
5-inch needle-pointed stand grips a 3/4-inch-wide bar magnet upright for hands-free study of attraction
and sacrum bones with articulations
the apex angle approaching minimum-deviation territory where small apex changes produce visible deviation shifts
the frosted side acting as a screen for projected real-image observation
120mL Spirit Lamp, Glass Micropipets_Variable Volume 5-inch needle-pointed stand grips aGlass spirit lamp holds 120mL of fuel for low temperature bench heating, flame tests, and demonstration heating in chemistry teaching labs.
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