Expansion Adapter, 40/38 Socket and 24/29 Cone, Borosilicate 3.3 Glass Lab Supplies_Lab Supply Sets displayed on a wooden block

displayed on a wooden block for balance calibration and weighing experiments in the lab

this silicon diode mounts on a transparent base with 4mm color-coded sockets and a printed circuit diagram for hands-on forward-bias demonstrations

Double-vessel copper calorimeter set with a 75 by 50mm inner cup on cork supports inside a 100 by 75mm outer shell and a slotted lid

Metamorphic rocks containing different rock specimens supplied in carboard box

Acrylic-handled proof plane with a 96mm brass sampling disc

Expansion Adapter, 40/38 Socket and 24/29 Cone, Borosilicate 3.3 Glass Lab Supplies_Lab Supply Sets displayed on a wooden blockExpansion adapter in borosilicate 3. 3 glass features 40 38 socket and 24 29 cone for connecting different ground joint sizes in chemistry apparatus.