Wanna See My Big One ??

As previously stated, my dad’s been cleaning out his sheds at his house.  For the next month, he’s still living in the house that my great grandfather built around 1890 and it’s been in our family since.  So, there is still a lot of old cool stuff that’s old and cool, but mostly useless if you don’t have a shed to store it in.

But he came by and dropped of this big wrench:

(Click on image to embiggen)

Most likely it was to service either a steam engine or a threshing machine that my great grandfather operated:

(Click image to embiggen)