1-1000Ω Plug-Type Brass Resistance Box, 13 Coils Subcategory_Inorganic Compounds Compact all-metal boss head with

Compact all-metal boss head with two stainless steel thumb screws joins rods up to 15mm orthogonally

walls revealing fluid levels behind the depth-dependent pressure jets

Used to demonstrate how a wedge multiplies force during splitting

the wider-range Wheatstone-bridge reference

hand-cranked so students trace how shifter engagement alters gear ratios and output torque selection

1-1000Ω Plug-Type Brass Resistance Box, 13 Coils Subcategory_Inorganic Compounds Compact all-metal boss head withThirteen coil plug type resistance box covering 1 ohm to 1000 ohms with 2110 ohms total at plus or minus 0. 1% accuracy on double silk covered constantan windings, reference grade for bridge work.