Now online - an Eimac catalog from the late 1950's.
One can just browse page by page or use the type number to find their choice in the Quick Reference tables or the datasheets with curves.
http://www.bunkerofdoom.com/tubes/eimac1/index.htmlto download the entire thing for local (offline) use, HTTRACK is a good choice.
Hope y'all like it.
PJ