US$ 132.00
this Perspex acrylic rod gains a positive charge when rubbed with cloth
sediment dwellers
and blood-feeding adaptations for medical entomology and vector biology teaching
Range-rated 50mm double-concave glass lens spanning 300-1000mm focal lengths
Stout-walled thistle funnel in borosilicate glass measures 30cm with thick construction for controlled liquid addition in chemistry procedures
Squat Porcelain Crucible with Lid, 100mL Lab Supplies_Sieves this Perspex acrylic rod gainsSquat form porcelain crucible with lid holds 100mL in glazed construction for high temperature combustion and chemistry heating procedures.
US$ 132.00
US$ 169.00
US$ 128.00
US$ 32.99
US$ 29.99
US$ 160.00
US$ 190.00