US$ 103.95
or batteries required
motion converter
this Perspex acrylic rod gains a positive charge when rubbed with cloth
and blood-feeding adaptations for medical entomology and vector biology teaching
Squat Porcelain Crucible with Lid, 100mL Lab Supplies_Sieves or batteries requiredSquat form porcelain crucible with lid holds 100mL in glazed construction for high temperature combustion and chemistry heating procedures.
US$ 103.95
US$ 80.82
US$ 109.80
US$ 60.00
US$ 165.00
US$ 67.65
US$ 132.00