Artifact Details Title Vacuum tube type 6293 Catalog Number 102783085 Type Physical object Description This object is a beam power tube packaged in an octal base with a cap on top for connection to the plate. It comes with the original packaging by RCA that is in fair condition. Manufacturer RCA Place Manufactured U. S. Identifying Numbers Model number 6293 Printed in silver ink around the glass envelope. Other number 4-52 Printed in blacker ink around the metal base. Other number GFA Printed in silver ink around the glass envelope. Dimensions overall: 3 3/4 in x 1 3/4 in x 1 3/4 in Category Component/vacuum tube