Data from Tung-Sol, as well as its Chatham division.
Tung-Sol 1959 OEM Price List - Don't come across OEM price lists very often. This one covers both military/industrial and receiving tubes. Note the subtleties, such as different pricing for government vs commercial packing, the MIL-E-1/ spec. number, and Point of Manufacture.
Tung-Sol Chatham 1959 Chatham Data - Chatham Electronics was bought in 195? by Tung-Sol. Chatham specialized in high-quality industrial tubes, both gas and vacuum. This data binder lists these as well as other products that Chatham made, including avionic power supplies, radiation detectors, selenium, and silicon rectifiers. 98 Mb.