This Carburettor Butterfly was salvaged from a P51-D Mustang Packard Merlin engine.
It is made from Aluminium and has been polished to reveal the part markings which can be seen from the photos.
It has been mounted on a brass frame and can be rotated as a hands-on tactile piece. An ideal desk ornament for aero enthusiasts.
Size 13cm diameter. Base measures 15cm square. Weight .8kg