US$ 42.00
Polypropylene test tube rack with two 25-mm outer holes
surface temperatures
3 by 4 inches paired with a 19
paired with a compound microscope to watch smoke particles jostle under molecular impacts
Heavy Duty Rectangular Retort Base and 19.8" Rod Set, 6 x 4" Entomology & Zoology_Dissection Polypropylene test tube rack withHeavy duty 6 by 4 inch powder coated steel retort base weighing 4 pounds, paired with a 19. 8 inch steel rod for weighted support of small scale laboratory clamp assemblies.
US$ 42.00
US$ 27.95
US$ 77.00
US$ 69.00
US$ 39.99
US$ 27.95
US$ 44.95