100mA Shunt for Galvanometer Lab Supplies_Tongs supporting both additive and subtractive

supporting both additive and subtractive color demonstrations in optical box setups

3oz each in a 2-pack for double-sized chemistry-themed drinking vessels

the bench-scale option for younger students or for compact apparatus where a full-size bar would be unwieldy

this metal helix lets stairwell-scale wave-propagation experiments amplify the visibility of standing waves

and frequency-response work in advanced classrooms

100mA Shunt for Galvanometer Lab Supplies_Tongs supporting both additive and subtractiveUsed to convert a galvanometer into a 100mA ammeter, this shunt diverts a calibrated fraction of the circuit current around the meter coil to extend the instrument's effective range.