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3309_38-300M
Unmounted bi-concave lens, 38 mm diameter, 300 mm focal length
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From $1.80 /unit
Lenses Spherical, Unmounted, Bi-Concave 50 mm Diameter Fl 200 mm
Unmounted bi-concave lens, 50 mm diameter, 200 mm focal length
Lenses Spherical, Unmounted, Bi-Concave 38 mm Diameter Fl 300 mm
Unmounted bi-concave lens, 38 mm diameter, 300 mm focal length
Motor Generator Demonstration Kit For Students Science Projects
Electricity Conversion Kit for Science Education and Projects.
Wooden Generator Science Kit Assembled (Put Together)
DIY renewable energy source - wooden generator kit.
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