Description: Mechanical hum ambience from a car ferry.

Description: Ride up the Coit Tower elevator. Nice door open at tail.

Description: Interior of the old Coit Tower elevator

Description: Mechanical hum ambience from a car ferry. Thumping with some car honking.

Description: Mechanical hum ambience from a car ferry.

Description: a close recording of a scissor lift's engine as it goes up and then back down.

Description: a workshop fan rattling in a wooden box. some shop ambience as well.