Laboratory:
Vibrations and Mechanics of Machines Laboratory 
GL105 Gear Trains Model is used in the experiment, it shows below in the first figure.
As shown in the second figure, the apparatus essentially consists of:
- Base plate with a fixed shaft
- Swivel arm
- Shaft
- Shaft
- Gear wheels with 40 teeth
- Gear wheels with 50 teeth
- Gear wheels with 80 teeth
- Gear wheels with 100 teeth
- Locking pin
- Drive pin
- Plastic box