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so the metal balls vibrate violently
Large LCD display with backlight for easy reading
Premium Quality: Signal Generator is made of high-grade construction all the way through
Able to stretch in order to assure the most even distribution of material being separated for more accurate results
miniature electrolytic capacitors for making circuit
1pcs Double Biconcave Lens | 75mm Diameter and 75mm Focal Length Reagent Bottle so the metal balls vibrateHigh Quality Glass: Made from durable and high quality glass, this Double Biconcave Lens is designed to last and provide accurate and reliable results in a variety of scientific applications. 75mm Diameter: With a diameter of 75mm, this lens is perfect for use in a range of optical experiments, including refraction, reflection, and more. 75mm Focal Length: Featuring a 75mm focal length, this lens is an ideal tool for creating focused images and light
