Lamp Holder Demonstration Board Science at Home_Physical Science protecting the wooden edges during

protecting the wooden edges during daily classroom handling and extending the usable life of the measurement tool

Discontinued bench instrument with continuously variable 0-30V DC at 2A plus stepped 1-6V AC in 1V increments

comparing liquid densities by the differential heights of drawn columns

sized for high-turn-count solenoid construction where 500g of fine wire feeds multiple project builds

Lamp Holder Demonstration Board Science at Home_Physical Science protecting the wooden edges duringMES bulb in a holder mounted on a demonstration base with 4mm plug connections, supplying a 4. 5V 0. 3A load that lights up to confirm circuit completion in series and parallel demos.