nigelswift wrote: But I guess we should never underestimate how much time and trouble people were willing to take - that's what leads people to talk of extraterrestrials. Some efforts are just mind-boggling e.g. forming the SH lintols, including the tenons, by bashing with a lump of rock.
It's a half inch drill. ;)
What I like about it is that it's cleverly chamfered at the back end such that it can be set into a split stick with a diameter no more than the drill so it can go in to any depth.
Any chance of a pic of it Nige? And yes I totally agree with the time angle as I mentioned in my first post. If it was worth doing.....
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