Plug-Type Brass Resistance Box, Model B Lab Equipment and Supplies_Racks & Stands providing a fixed sighting reference

providing a fixed sighting reference for telescope and spectrometer alignment on the optical bench

generating 1

Used as the red-rail partner to the 300mm black 2mm-stackable lead

reconfiguring the demonstration meter as a low-voltage voltmeter for single-cell and battery-pack readings

The function of each rotary control is dynamically set by the system's software according to the specific needs of each lesson

Plug-Type Brass Resistance Box, Model B Lab Equipment and Supplies_Racks & Stands providing a fixed sighting referencePlug type resistance box with constantan wire coils between split brass contact blocks, providing low temperature coefficient reference values for Ohm's law and bridge calibration work.