Western Electric 270A Triode Power Vacuum Tube.  Very large in size measuring approx. 17in in length.  Untested but presumed not working as there are bits of filament (?) loose in the tube.  The last picture I circle the little bits I'm talking about so you can see.  Please view pictures closely as they are part of the description.  Let me know if you have any questions or would like additional pictures.  Thanks!