Stone Placement
Paul Briggs of Ithaca, who restores cobblestone houses, said the stones all appearing to be all the same on some houses is an optical illusion. He said the stones actually vary widely in their interior depth which you can't see, and thickness. Take a careful look at the photograph below. Plus some have to be angled to be the correct height, while others have to be near vertical to to do it. Some are like eggs and others like wafers. Richard Palmer email 7/1/2020.
