Coarse Iron Filings, 250g, 20 Mesh Subcategory_Thermometers Nickel-plated T-pins provide secure specimen

Nickel-plated T-pins provide secure specimen pinning with broad heads for stable dissection board mounting in biology laboratories

Aluminum 40cm precision force table with tapped pulley positions and central ring assembly for resolving and composing force vectors under equilibrium conditions

used to demonstrate capacitance and the discharge of stored static charge

Sized for compact classroom display

Coarse Iron Filings, 250g, 20 Mesh Subcategory_Thermometers Nickel-plated T-pins provide secure specimenUsed to trace the invisible shape of magnetic fields, this bottle of coarse 20 mesh iron filings is a staple for classroom magnetism and field pattern demonstrations.