1:18
Ventilator engine rotating at different speeds - contact microphone 2.
1:24
Ventilator engine rotating at different speeds - contact microphone 1.
0:13
Wheelchair - rolling 2.
0:13
Wheelchair - rolling 1.
0:18
Suitcase - rolling 2.
0:09
Suitcase - rolling 1.
0:10
Revolving door - rotating, spinning and thumping.
0:06
Radio knob - slowly turning.
0:26
Cart - rolling 2.
0:26
Cart - rolling 1.
0:23
Cargo cases - heavy with wheels rolling on the ground 2.
0:20
Cargo cases - heavy with wheels rolling on the ground 1.
0:23
Baby stroller - moving with wheels rolling on the ground.
0:33
Camera - vintage camera 9 - rotation dial smooth.
0:31
Camera - vintage camera 7 - rotation dial 2 - clicks.
0:52
Camera - vintage camera 7 - rotation dial 1 - click.
0:36
Camera - vintage camera 6 - rotating dial, smooth.
0:37
Camera - vintage camera 2 - dial 3 - rotating knob clicking.
0:45
Camera - vintage camera 2 - dial 2 - rotation clicks.
0:35
Camera - vintage camera 2 - dial 1 - rotation clicks - single.