Conical Filtering Flask with Integral Side Arm, 2000mL, White Graduations, Borosilicate Glass Biology_Entomology & Zoology the f/4 curvature stretching the

the f/4 curvature stretching the focal throw for projection-style image formation and reflector telescope analogues

this wooden block-and-tackle apparatus lets students count supporting strands and measure how each added pulley reduces effort

Magnetic-base pulley with a 50mm ball-bearing plastic wheel

Sloping recovery bend in borosilicate glass features 14/23 cone sizes for distillation collection and redirecting flow between apparatus components

and a four-sphere Perspex cylinder

Conical Filtering Flask with Integral Side Arm, 2000mL, White Graduations, Borosilicate Glass Biology_Entomology & Zoology the f/4 curvature stretching theConical filtering flask in borosilicate 3. 3 glass holds 2000mL with integral side arm for large volume vacuum filtration procedures.