✅ SOLVED Cast Part

[Yak1366]

I have absolutely no clue what these things are. Both seem to be cast from some type of pot metal.
The larger one is nearly 3" wide.

 

[Darke]

The almost look like corroded battery jar terminals but that's just a guess.

 

[old digger]

As was already mentioned, it is the part of a large battery. The post that goes down into the battery where the battery fins branch out creating the electric field.

 

[Yak1366]

Thank you gentlemen, I believe you guys nailed it. Old battery "Plate Straps"
https://www.powerstream.com/1922/battery_1922_WITTE/batteryfiles/chapter17.htm

 

[A2coins]

Good Id I did know that one just a little late