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1 x Stopper (Cone 24/29)
Binocular sliding viewing head and coaxial coarse and fine focus knobs on both sides
the frequency is 440 cycles per second
Designed for use in professional laboratories but is an ideal choice for science classrooms and household use
Accuracy: ±2%
Dicot Stem Model 1 x Stopper (Cone 24/29)Size: 290mm x 290mm x 310mm. A typical Dicot Stem Model. This model depicts periderm, cortex, primary phloem, phloem ray, cambium, annual ring, wood ray, primary xylem, and marrow. It highlights the details of a dicotyledonous stem in vivid colors showing the longitudinal and cross section of the periderm. Enlarged 120X and mounted on a base. Premium Quality: 100% Biologically correct, this model is made of high quality PVC, hand painted and assembled
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