WKM Optical Glass Convex & Concave mirror (Dia 75mm) focal length 15cm sop of bulk density apparatus pdf safe water at your fingertips

safe water at your fingertips

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Teflon Coated Magnetic Stirring Capsule

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WKM Optical Glass Convex & Concave mirror (Dia 75mm) focal length 15cm sop of bulk density apparatus pdf safe water at your fingertipsConvex & Concave mirror Features: Package included: 1*Convex Mirror 1* Concave mirror Size : 75 MM Optical Glass Part Number: KTN79 Details: This kind of Glass Convex and Concave mirrors can reflect and can be used for scientific experiments It can teach children to explore the mysteries of light, stimulate a child's thirst for knowledge, and improve the children's interest of understanding the magic world. Size : 75 MM Package included: 1*Convex