300mm Connecting Lead, 4mm, Model A Light & Optics_Spectroscopy letting students read both small-cell

letting students read both small-cell and battery-stack voltages on a single instrument

this clear dial provides a readable face for measuring angular displacement in physics setups

Polished stainless steel lab spatula pack with one flat end and one scoop end on each tool

green) and three secondaries (cyan

providing the simplest open-or-closed action used to introduce circuit-completion concepts in early electricity units

300mm Connecting Lead, 4mm, Model A Light & Optics_Spectroscopy letting students read both small-cellThree hundred millimeter black insulated 4mm lead with banana plugs at both ends, supplying the standard short reach patch wire for student built 4mm socket circuits at the bench.