100cm Transparent Turbidity Tube with Secchi Disk Material_Aluminum 5-inch slots arrayed on a

5-inch slots arrayed on a 20-inch polished hardwood stand accommodate simultaneous gravity filtrations across student workstations in chemistry classrooms

this simple Bunsen burner runs on natural gas for routine flame heating in UK-standard chemistry and biology labs

illustrating late-pregnancy presentation for obstetric and reproductive anatomy teaching

Jointed Liebig condenser in borosilicate glass measures 16cm with 14/23 glass connectors for distillation and reflux procedures

the wider bore accepting full-size bar magnets while AC current drives the alternating field that rotates domains for demagnetization

100cm Transparent Turbidity Tube with Secchi Disk Material_Aluminum 5-inch slots arrayed on aMeasures water clarity in lakes, streams, and ponds using an alternating black and white Secchi disc visible through the clear 100cm tube during turbidity sampling.