Digital Quartz Stopwatch, 1/100 Second Precision Glassware_Glass Bottles 9A with oxidized constantan winding

9A with oxidized constantan winding on a vitreous-enameled steel tube and a phosphor-bronze sliding contact

Length 200 mm Width 25 mmCap

this plant cell model shows organelle ultrastructure and cell-wall layering for upper-level cell biology teaching

ground to polished beveled edges and usable as a top-spinning base in secondary mechanics demonstrations

Ten-pack of 10g slotted weights sized as a replacement or expansion set for the PH0323A Hooke's-Law apparatus

Digital Quartz Stopwatch, 1/100 Second Precision Glassware_Glass Bottles 9A with oxidized constantan windingQuartz driven digital stopwatch with 1 100th second precision and a built in alarm, displaying hours, minutes, seconds, date, and month on a multi function readout for lab and classroom timing.