Optically Worked Double Convex Glass Lens, 75mm Diameter, 500mm Focal Length Metal Labware_Clamps & Bossheads Tirrill burner on a stable

Tirrill burner on a stable octagonal base adds air

catching condensate in distillation and steam-handling setups

Short-form Euro-design 500mL polypropylene measuring pitcher features molded graduations and a pour spout for autoclavable chemical-resistant workflows

the candy-bar form letting students break each piece into smaller magnets that retain their own north and south poles

Optically Worked Double Convex Glass Lens, 75mm Diameter, 500mm Focal Length Metal Labware_Clamps & Bossheads Tirrill burner on a stableLong focal double convex glass lens at 75mm diameter and 500mm focal length, the f 6. 7 geometry pushing the focal point downrange for projection style real image formation across long benches.