717A Pentode - made by Raytheon

This 1943 military spec 717A pentode was made for Western Electric by Tung-Sol. The glass has heavy chrome flashing and is labeled Tung-Sol WE 717A. It also has a metal base, which may have some oxidation. Tube tests as new and comes in original box.

This 1943 military spec 717A pentode tube was made for Western Electric by Tung-Sol. The glass has heavy chrome flashing and is labeled Tung-Sol 717A VT-269. Its metal base has black lettering that reads JAN CTL-717A VT-269. Tube tests as new.

This 1940s military spec 717A was made for Western Electric by Raytheon. Its metal base has black lettering that reads JAN-CRP-717A VT-269. There is some oxidation on the base. Tube tests as new and comes in the original box.