US$ 24.95
Hard vulcanized ebonite rod that takes on a strong negative charge when rubbed with fur
and mammalian organ systems for comparative vertebrate teaching
Insulated 10
and major vessels of the human heart
combining protective gripping with angular adjustment on one piece
Battery Box, Model C Capacity_50mL Hard vulcanized ebonite rod thatUsed 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$ 24.95
US$ 36.95
US$ 25.95
US$ 26.95
US$ 103.50