US$ 24.00
9A with oxidized constantan winding on a vitreous-enameled steel tube and a phosphor-bronze sliding contact
heating the center to show each metal's relative conduction rate
each structure individually labeled for plate-tectonics units
Metal bench clamp with an integrated pulley on a metal bearing
NeuLog Salinity Logger Sensor Lab Supplies_Petri Dishes 9A with oxidized constantan windingFor environmental science, marine biology, and solution chemistry, this real time salinity data logging sensor measures salt concentration across classroom water quality investigations.
US$ 24.00
US$ 115.00
US$ 91.00
US$ 110.00
US$ 21.00
US$ 29.00
US$ 120.00