Related Clues:
- Hollow cylindrical object
- London Underground or long cylinder
- Cylindrical conduit
- Although uppish, 'e is, on the hollow side
- It may follow You online
- Macaroni's form
- Monitor inits
- Paint holder, perhaps
- Electron tube abbr
- Flatscreen ancestor
- Increasingly rare computer monitor
- Old-style computer monitor, for short
- Old computer monitor type
- Old component of some TVs
- See 6