NOR Logic Gate, 2-Input Heat & Thermodynamics_Energy Transfer & Engines retained for legacy reference and

retained for legacy reference and parts compatibility

equipping a class for dual-diameter compound-pulley experiments without cord-threading setup

Glass tube 33 inches long with a cork piston riding on a stable wooden base

Long-and-wide 95 x 20 x 8mm Alnico bar pair

this insulated lead provides reliable bench-circuit connections between instruments

NOR Logic Gate, 2-Input Heat & Thermodynamics_Energy Transfer & Engines retained for legacy reference andUniversal 2 input NOR gate module with red green LED outputs and a printed truth table, the second universal logic gate that complements the NAND for any digital circuit construction.