savinghistoryalway.s
Sr. Member
I found this rock near a few more it’s not metal close to a 1840s cabin any ideas and if it’s old?
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Thank you!My first thought was grinding (sharpening) wheel, but those usually have a center hole.
Thank you!Looks like a concrete core taken for strength testing
Thank you!Agreed concrete core. I can see the aggregate in it.
But I do have a hand sharpening stone with the same shape. It's a bit smaller than than the core shown. It is particularly useful for sharpening chisels and knives using a circular motion on the flat surfaces. It belonged to my Dad in the mid 1900s and I still use it.