Description
small animals
this wooden block-and-tackle apparatus lets students count supporting strands and measure how each added pulley reduces effort
250 mm long
and iron packs
Conical Filtering Flask with Integral Side Arm, 2000mL, White Graduations, Borosilicate Glass Biology_Entomology & Zoology small animalsConical filtering flask in borosilicate 3. 3 glass holds 2000mL with integral side arm for large volume vacuum filtration procedures.
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