US$ 30.00
sized so the heavier D cell stays seated when student-built circuits are picked up
Used to step a class through wave superposition and beat frequencies
and optic nerve
and major vessels of the human heart
Insulated 10
Battery Box, Model C Capacity_50mL sized so the heavier DUsed to enclose dry cells safely for student built circuits, this battery box adds insulated terminals and prevents short circuits from rolling cells touching exposed lab metalwork.
US$ 30.00
US$ 117.50
US$ 105.00
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US$ 150.00
US$ 90.00
US$ 26.00
US$ 18.00
US$ 11.00