Lyman J shell holders - do some folk refer to them as 310 shell holders, or is that a different animal? Is there such a thing as a 310 shell holder, or is that an incorrect term used by Tru-Line Junior owners?
Further, as the Lyman Comet and All-American use J-type shell holders and the Tru-Line Junior does as well, can the same shell holders be used on all 3 presses? I gather they can.
If I understand correctly, while the Comet and All-American use the J type shell holders, they use standard dies; the Tru-Line Junior uses the 310 dies.
I've exercised my google-fu and also reviewed several (probably not enough, however) old threads here, and arrived at the above. I'd greatly appreciate correction or confirmation, whichever the case may be.
I've never seen referenced a Tru-Line Senior. Why the Junior designation? Simply because it was smaller?
Finally, is there a reference web site that has information on presses from the mid-20th century? I've seen the antique reloading hand tool sight referenced, but I'm not interested in the hand tools. I'm interested in finding more information on old Pacific presses as well.
Many thanks!
SlimTim