This is the sound of a hand crank from a 1920's adding machine.
High quality recording
2x Schoeps CMC 5U with Schoeps MK4 & MK8 capsules
Sound Devices …
June 29th, 2017
This a recoding of an arc welding machine being used to make electric sparks.
Gear used: Neumann KU100 dummy head, Schoeps CMC 5U MK8, Schoeps miniCMIT, Zaxcom Maxx
June 26th, 2017