Description
Acrylic double-concave lens at 86mm length and 20cm diverging focal length
Designed to make electric field lines visible
separation
suspending thermometers above hot plates or fixing specimens in orientation
Rectangular Refraction Glass Block, 75 x 50 x 18mm Lab Supplies_Classroom Acrylic double-concave lens at 86mmPairs a 75 by 50mm face with a thicker 18mm body on a rectangular glass refraction block, the optically worked beveled edges widening the visible lateral shift in refraction angle demos.
Exchange/Return Notes
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