10-100kΩ Single Dial Resistance Box Lab Supplies_Filtering Supplies Brass slotted mass set combining

Brass slotted mass set combining eight 25 gram masses with a 25 gram hanger

holding volume constant across specimens for isolated density comparisons

dimensioned to fit a pair of 75mm (3-inch) bar magnets and the keeper that bridges them while in storage

covering metals

the high-microfarad decade for slow-RC-charging and energy-storage demonstrations

10-100kΩ Single Dial Resistance Box Lab Supplies_Filtering Supplies Brass slotted mass set combiningHigher impedance single decade resistance box stepping from 10k to 100k ohms in 10k ohm increments, providing the standard reference decade for op amp input and analog signal path circuit work.