CR-243 OXFORD 2-min INDESTRUCTIBLE Cylinder: UNCLE JOSH & THE LIGHTNING ROD AGENT, #1067. Stewart. NO BOX, NO LID. Oxford cylinders have a metal core, are 'indestructible', and can be played on Edison and Columbia cylinder phonographs. Record condition therefore is 9+, where 10 is mint and 0 is trash. These cylinder records are hard to find and are very collectible.