US$ 13.90
supplying replacements when the originals lose loft or split during repeated charging cycles
Simple-form Boyle's Law apparatus pairing a graduated plastic syringe on a wooden block with a weighted piston
Built for identification exercises
Ratchet-stopped nickel-plated brass 25 mm micrometer screw gauge reading to 0
Chloroplast Model with Cut-Away Section, 10 x 6" Subcategory_Cylinders supplying replacements when the originalsCut away section on this chloroplast model exposes grana stacking, stroma, and thylakoid architecture for photosynthesis and organelle ultrastructure teaching.
US$ 13.90
US$ 69.99
US$ 159.99
US$ 149.99
US$ 139.99
US$ 12.90
US$ 10.90
US$ 13.90
US$ 169.99
US$ 139.99
US$ 12.90
US$ 159.99
US$ 199.99
US$ 115.00
US$ 11.90