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Sedimentary rock collection for geological study
a slide rheostat can either be a constant value resistor or a variable resistor
Magnetic Needles
Anterior view
With instructions
Regular Pyramid of Four Sides Model Geometry Hoffman Set Sedimentary rock collection for geologicalIncluded: 1 x Geometry Regular Pyramid of Four Sides Model. Length of hemline 145 mm, Length of face line 230 mm, Height 210 mm, with 3 mm thickness. Use it to teach student Geometry 3D Models. Great teaching aid and experiment equipment. It is made of transparent organic with color. If you need custom order with different sizes design, please contact us. Safely Packaged to avoid being damaged during transportation.
US$ 19.90
US$ 156.00
US$ 19.90
US$ 19.90
