This vintage 1950's TUNG SOL Catalog is a must-have for collectors of science and medicine engineering items. The catalog features a TELEVISION PICTURE TUBES SUBSTITUTION CHART ET Line, made in the United States, and is a great addition to any collection. The catalog is filled with unique and rare items that are sure to capture the attention of any collector.

The TUNG SOL Catalog is perfect for those interested in the history of television and picture tubes. This collectible item is a great way to showcase your love for engineering and science. Add it to your collection today and enjoy the unique pieces it contains.