US$ 67.50
and physics principles in classroom investigations
100 by 100mm friction slider
Hundred-ohm 1
and slotted/Phillips/nut-driver bit set
producing oxygen's characteristic emission lines for spectroscope viewing of atomic-emission and quantum-energy levels
Leather Lab Gloves Glass Flasks_Volumetric Flasks -Class B and physics principles in classroomBuilt for heat and abrasion resistance, these leather lab gloves protect hands during handling of hot glassware, kiln work, and furnace operations.
US$ 67.50
US$ 139.00
US$ 98.00