Premium Sulfur (S) Spectrum Tube, 26cm Plastic Labware_Plastic Bottles & Carboys supplying enclosed-wiper variable resistance for

supplying enclosed-wiper variable resistance for student safety

Hand-painted 1:16-scale metal turbojet model on a 19 by 9-inch base with a 16-inch engine body

Young's-modulus kit with a 0-30mm scale plate

autoclavable for routine chemistry and biology laboratory use

Cranium separates from the brain section to show skull-cavity fit

Premium Sulfur (S) Spectrum Tube, 26cm Plastic Labware_Plastic Bottles & Carboys supplying enclosed-wiper variable resistance forIntermittent duty sulfur spectrum tube at 26cm with a 10cm central capillary, on a 30 on 30 off operating cycle for spectroscope study of sulfur's atomic emission spectrum.