Go to Professor Bartholomew's Lab
Enter the Propulsion Lab through the door on the right
Switch to John and go to Professor Bartholomew's Lab
Enter the Propulsion Lab
Climb the wooden Ladder to the platform
Look at the Oily Footprint to the right of the oil drums
Use the Oily Footprint
Use the Wiping Cloth with the Oily Footprint
Footprint Controls
Rub the footprint onto the Wiping Cloth
Footprint replaces Wiping Cloth in John's inventory
Climb back down the Ladder
Talk to Audrey
Enter the Propulsion Lab through the door on the right
Switch to John and go to Professor Bartholomew's Lab
Enter the Propulsion Lab
Climb the wooden Ladder to the platform
Look at the Oily Footprint to the right of the oil drums
Use the Oily Footprint
Use the Wiping Cloth with the Oily Footprint
Footprint Controls
Rub the footprint onto the Wiping Cloth
Footprint replaces Wiping Cloth in John's inventory
Climb back down the Ladder
Talk to Audrey
Access the Staff Files