Block, Glass, Rectangular, 114x62x18mm (Each) Furniture/Mats-and-Carpets/Mats-and-Carpets Comes with fully adjustable cushioned

Comes with fully adjustable cushioned brass fingergrip

With 128 (64x64) channels of recording over USB

The large froe has a 250mm blade made from hardened and tempered EN9 spring steel and fitted with a 360mm curved beech handle

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A fine quality English style stool crafted from sustainably sourced solid European beech

Block, Glass, Rectangular, 114x62x18mm (Each) Furniture/Mats-and-Carpets/Mats-and-Carpets Comes with fully adjustable cushionedProduct is for studying refraction and geometrical optics in physics and physical science classes Optical glass polished and worked on all surfaces Glass is free from bubbles and imperfections All edges have slight bevel Perfect for teaching physics students the principles of refraction Optical Glass Rectangle: 3. 9" (115mm) X 2. 6" (65mm) X 0. 7"(18mm), made of high quality optical glass