Specific Gravity Metal Cylinder Set Copper, Zinc, Aluminium And Steel, Four Different Metal Cylinders Each Measuring 38 mm Long X 10 mm In Diameter, Made Of Aluminium, Zinc, Copper And Steel.
Rectangular Block - Glass, Made from imported optical glass with optically worked surfaces, All angles accurately worked with edges slightly bevelled and glass free from bubbles, Size 75 x 50 x 12 mm
Rectangular Block - Glass, Made from imported optical glass with optically worked surfaces, All angles accurately worked with edges slightly bevelled and glass free from bubbles, Size 75 x 50 x 18 mm
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