Yeah, on said antique chair there is some old wood glue. I imagine the friction joints wore down over time and the glue was poorly slopped in in an attempt to k

Yeah, on said antique chair there is some old wood glue. I imagine the friction joints wore down over time and the glue was poorly slopped in in an attempt to keep the thing together, but that glue, too, failed. I suspect the original did not have glue. Things wear down, and about the only thing you can hope for is replaceable parts. Chair of Theseus, indeed!