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4AA Battery Holder With Leads Wires (Square)
Compact 4 AA battery holder with screw holes and wires.
Rubber Tubing, Amber, Natural, Wide 5/16" Id & Thick Wall
Amber latex tubing, 5/16" ID, thick wall, sterile.
Crystal Radio Kit - Basic AM Radio experiment, No Batteries Required
Basic parts to assemble and experiment with an AM radio powered solely by radio waves.
Lenses Spherical, Bi-Convex, 38 Mm Diameter 100Mm
High-quality spherical lenses for precision optics.
Lenses Spherical, Bi-Convex, 50 Mm Diameter 100Mm
Clear vision with 50mm bi-convex spherical lenses.
Lenses Spherical, Bi-Convex, 50 Mm Diameter 50Mm
High-quality optical magnification for precision viewing.
Lenses Spherical, Bi-Convex, 75 Mm Diameter 100Mm
High-quality optical lenses for clear and precise imaging.
Lenses Spherical, Bi-Convex, 75 Mm Diameter 175Mm
Optical magnifying lenses for clear and accurate vision.
Lenses Spherical, Bi-Convex, 75 Mm Diameter 300Mm
High-quality optical lenses for precision imaging.
Lenses Spherical, Bi-Convex, 75 Mm Diameter 500Mm
High-quality optical magnification for clear vision.
Glass Cylindrical Lenses Plano-Concave Power 14D (Focal Length ~72Mm)
Glass lenses to focus light in straight lines.