Antique Brass Gravity Imitated from French -Alibaba.com
Inclined Plane" or "Rolling Drum" clock (IMG_9108) | Flickr
Inclined Plane" or "Rolling Drum" clock (IMG_9094) | Flickr
Lot - E. Gubelin Inclined Plane Clock
Gutlin Clocks & Antiques - A Very Good Condition Inclined Plane Clock By Dent, Made By Andrew Fell in 1973The inner mechanism and clock face are weighted to keep them vertical while
An Imhof incline plane clock - Mar 26, 2013 | Fellows in United Kingdom