Steel Ball Bearings, 3mm, 50-Pack Item Type_Mug providing a measurable projection surface

providing a measurable projection surface for sizing real images formed by lenses and concave mirrors

and lead plugs for pump-plate connection during evacuation

3" (85mm) and an outer diameter of 3

Variety pack to help with experiment of contrasting resistances and temperature

this insulated wire keeps polarity color-coded across the mid-distance between instruments and student-built bench circuits

Steel Ball Bearings, 3mm, 50-Pack Item Type_Mug providing a measurable projection surfaceFifty pack of 3mm steel ball bearings, the smallest size in the series for pendulum and small scale collision experiments where a compact projectile mass is needed.