Class A Schellbach Borosilicate Glass Burette with Glass Stopcock, Blue Graduations Capacity:50mL Converts rotation into reciprocating motion

Converts rotation into reciprocating motion through a crank-and-connecting-rod linkage

this universal clamp holder accepts rods up to 20 mm in diameter and bolts securely to retort stands for oversized load support

diverting a calibrated portion of bench-supply current around the meter coil so the galvanometer reads heavier loads safely

these large rubber vinyl aprons deliver waterproof

Glass tubing diamond cutter features brass-mounted cutting tip for precise glass tubing cutting in laboratory apparatus construction

Class A Schellbach Borosilicate Glass Burette with Glass Stopcock, Blue Graduations Capacity:50mL Converts rotation into reciprocating motionDark Schellbach stripe inlaid behind the scale sharpens meniscus reading during precision titration, paired with a ground glass stopcock for traditional flow control.