Plug-Type Brass Resistance Box, Model A Capacity_500mL illustrating the Lorentz force as
Plug-Type Brass Resistance Box, Model A Capacity_500mL illustrating the Lorentz force asUsed to introduce known resistance into a circuit by removing brass plugs from sealed coil contacts, this plug type resistance box lets students see the switching action of each decade.
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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5