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

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

Stainless steel circular laboratory tripod measuring 8

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

and iron packs

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.