Ammonite on sliding machine
PUFO390-16
This ammonite from Madagascar is a Cleoniceras . It dates back to the Cretaceous, about 120 million years. It is sawn in half and mounted on a rack mechanism with an oak base. By activating these brass gears, we can discover the complexity of the interior and even calculate its age! It grew from a partition all moon phases: 29.5 days, under optimal conditions. It's original shell is still present with its pearly reflections That is the gorgeous mother of pearl in the outer layer, according to your position. A scientific curiosity... but especially aesthetic!
This unique piece has been sold...
