FILM PROJECTOR REEL-LIKE ART-DECO FLANGE WITH COLLAR, MAYBE A TELEVISION RASTER

Description

SEE PHOTOS PLEASE,.......
I AM NOT SURE WHAT THIS DARN THING IS ???
BUT IT IS VERY INTERESTING,
AND SOMEWHAT ARTISTIC. ( KINDA RETRO  SPACE-AGE )
LOOKS LIKE A FILM PROJECTOR REEL,
HAS A LARGER SPINDLE COLLAR,
MAYBE PART OF A MECHANICAL TELEVISION RASTER.
IF YOU KNOW WHAT THIS THING IS CALLED,
PLEASE INFORM ME !!! PLEASE LET ME KNOW !!!
GOOD CONDITION, *****SEE PHOTOS**** (BOX#221)