We recently oversaw the high resolution photogrammetry survey of the clock at the Church of the Holy Spirit, utilising a scaffolding system in front hundreds of tourists, and falls within our overall Ackerman project.
![](https://i0.wp.com/archaeovision.eu/wp-content/uploads/2019/06/IMG_20190606_111249.jpg?resize=768%2C1024&ssl=1)
More on this clock can be found on the Ackermann project blog and we will provide more on the result soon.