Zenith 1937 5s127 Tombstone Vintage Vacume Tube. The item "Zenith 1937 5s127 Tombstone Vintage Vacume Tube" is in sale since Tuesday, July 23, 2019. This item is in the category "Collectibles\Radio, Phonograph, TV, Phone\Radios\Tube Radios\1930-49". The seller is "bboru1966-4" and is located in Plymouth, Massachusetts. This item can be shipped to United States, Canada, Bahamas, Uruguay.