US$ 85.00
generating up to 100
the optical-grade body delivering cleaner refraction angles than acrylic peers for precision Snell's law work
this halogen ray box features hinged mirrors that fold to combine reflected beams and 4mm sockets for an external power supply
this 35mm plotting compass uses a clear plastic base and rotating needle to demonstrate magnetic alignment and direction
this set of 2 wooden disks and 1 metal ring rolls down an incline so the higher-inertia object reaches the bottom later
Laboratory Grade Anhydrous Aluminum Sodium Sulfate, 500g Subcategory_Wash Bottles generating up to 100Five hundred gram bottle of laboratory grade anhydrous aluminum sodium sulfate, the soda alum salt used in water purification flocculation, dyeing mordant chemistry, and qualitative analysis.
US$ 85.00
US$ 30.00
US$ 4525.00
US$ 899.99