Description

Pairs 75mm sides with 9mm thickness on an equilateral flint glass refraction prism

and 500mm focal lengths for comparative refraction experiments

with a 0 to 20 second reaction window for sanitation and food-safety checks

capable of producing repeated sparks once the base is charged by friction

Ocean Feature Teaching Model Glass Sets & Apparatus_Organic Chemistry Sets Pairs 75mm sides with 9mmLabeled ocean feature model showing underwater geological formations and marine geography on a wall mountable backboard for oceanography reference.

Exchange/Return Notes

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Ocean Feature Teaching Model Glass Sets & Apparatus_Organic Chemistry Sets Pairs 75mm sides with 9mm

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