US$ 999.50
dual bore sights
and redistribution during cell division for biology instruction
combining protective gripping with angular adjustment on one piece
Hard vulcanized ebonite rod that takes on a strong negative charge when rubbed with fur
Battery Box, Model C Capacity_50mL dual bore sightsUsed 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$ 999.50
US$ 98.00
US$ 158.00
US$ 79.00
US$ 198.00
US$ 179.00