Brass Stirrup for Magnet Suspension, 2" Lab Supplies_Rulers & Measuring Supplies this sonometer carries brass and

this sonometer carries brass and steel wires across a 114cm wooden box with two millimetre rules

and flight adaptations for bird biology teaching

3A max with oxidized constantan winding and a nickel-plated phosphor-bronze sliding contact

Die-cast body with plated brass parts anchors this cork-lined two-prong universal clamp

Heavy-duty 500-piece teacher molecular model set with 230 atoms and 270 bonds

Brass Stirrup for Magnet Suspension, 2" Lab Supplies_Rulers & Measuring Supplies this sonometer carries brass andBrass stirrup 2. 5 inches tall and 2. 25 inches long, sized to suspend a magnet or insulating strip up to 0. 75 inches wide for torsion balance and electrostatic induction setups.