The listing, sylvania Techical Manual (Tenth Edition) Supplement No. 3-10. 3rd supplement of 1955 has ended.
Sylvania technical manual tenth edition 3rd supplement. See Sylvania Electronic, Emporium, Pennsylvania. Also see "Sylvania Electronic Tubes : Issued as a supplement to the manual in Sylvania News for October 1955". Diagrams and written information. Sylvania type 24YP4 silver screen " 85" television picture tube.Also Sylvania type 6BE8 and 5BE8 medium my triode sharp cutoff pentode.Item in fair shape overall but has been folded.