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With cover, for 5 slides in vertical position.
The Equal Mass Metal Cylinder Set includes Aluminum, Copper, Brass, Tin and Zinc. Each Cylinder measures ½” in diameter and has the same mass, 20 gm.
Balance designed to work for mass and force activity. Dual calibrated in grams and Newton.
A fantastic model of centenary arch made of fine quality wood. It consist 13 precision-cut wooden blocks and a wooden arch. All pieces can be assembled to make a Catenary Arch
Brass, plated.
