Magnetic Needle with Brass Cup Bearing, 4", Carbon Steel Lab Equipment and Supplies_Racks & Stands Six-piece polypropylene beaker set spans

Six-piece polypropylene beaker set spans 50mL to 2000mL for complete classroom and lab volumetric workflows without glass breakage risk

Two-position copper plug key switch with 4mm terminals and two removable plugs

guided exercises that interact with the Emission Control simulator

Includes kidneys

Transmitter and receiver pair on PP3 batteries with 5m and 10m polymer fiber coils

Magnetic Needle with Brass Cup Bearing, 4", Carbon Steel Lab Equipment and Supplies_Racks & Stands Six-piece polypropylene beaker set spansUsed as a sensitive direction finder when paired with a tangent compass stand, this 4 inch carbon steel needle pivots on a brass cup bearing for low friction rotation under the local field.