Double Convex Lens, Highly polished, optically true lens is excellent for physics classroom demonstrations in optics and light refraction, with ground edges, great for physics classrooms, with highest grade, Size: 200 mm focal length, Lens measures 2in diameter, 0.2 weight
Test Tube, plain, with bakelite screw cap & rubber liner, Material: Made from high quality, heavy duty, Borosilicate Glass, Dimension: 125x16mm, capacity: 10 ml, pack of 24
Test Tube, plain, with bakelite screw cap & rubber liner, Material: Made from high quality, heavy duty, Borosilicate Glass, Dimension: 100x12mm, capacity: 5 ml, PK24
Test Tube, plain, with bakelite screw cap & rubber liner, Material: Made from high quality, heavy duty, Borosilicate Glass, Dimension: 100x25mm, capacity: 30ml, pack of 12
Test Tube, plain, with bakelite screw cap & rubber liner, Material: Made from high quality, heavy duty, Borosilicate Glass, Dimension: 150x16mm, capacity: 20ml, pack of 24