Test Tube, plain, with bakelite screw cap & rubber liner, Material: Made from high quality, heavy duty, Borosilicate Glass, Dimension: 100x16mm, 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: 150x16mm, capacity: 20ml, pack of 24
Test Tube, Flat bottom, with bakelite screw cap, Material: Made from high quality, heavy duty, Borosilicate Glass, Dimension: 16x55mm, capacity: 5ml, pack of 24
Test Tube, Flat bottom, with bakelite screw cap, Material: Made from high quality, heavy duty, Borosilicate Glass, Dimension: 25x72mm, capacity: 15ml, pack of 24
Test Tube, Flat bottom, with bakelite screw cap, Material: Made from high quality, heavy duty, Borosilicate Glass, Dimension: 25x95mm, capacity: 30ml, pack of 24
Double Convex round Lens, Material: Glass, designed for physics and educational uses, Because of their educational use design, there may be minor imperfections that do not affect physical function, for educational uses, Size: 200mm focal length, 2in diameter and 5.5mm thick
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