Aside from the practical value (a LOT) this is really helping me get to know you all better. 
/edit
A taste (and capacity) for complexity
I didn’t read the thread linked above before I posted. Just read it now, lol.
My memory was of the drawings and the artist’s name by which I might find them.
This was the thread by which I was judged a pontificator. There is, of course, some truth to that.
Nobody’s perfect, eh?
Carry on… 