Description :
It is used to compare the thermal conductivities of different material. It consists of eight different rods having length 30cm.
| Glass dia. 3mm | 1 |
| Aluminium dia. 3mm | 1 |
| Copper dia. 3 & 1.5 mm | 1 |
| Brass dia. 3 & 1.5mm | 1 |
| Iron dia. 3 & 1.5mm | 1 |