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Ships within 48 hours · Estimated delivery Sep 26 - Oct 1
Perfect for use in many applications
The two-position firing pins have a locking catch for safety and the trolleys have Velcro pads for inelastic collision experiments
Cardiac conduction
For first- and second-degree burns
Includes a pair of Dynamics Trolley (2 pieces)
1pcs Double Concave Lens | 50mm Diameter and 150mm Focal Length Magnetic Perfect for use in manyHigh Quality Glass: Made from durable and high quality glass, this Double Concave Lens is designed to last and provide accurate and reliable results in a variety of scientific applications. 50mm Diameter: With a diameter of 50mm, this lens is perfect for use in a range of optical experiments, including refraction, reflection, and more. 150mm Focal: Featuring a 150mm focal, this lens is an ideal tool for creating focused images and light beams.
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