The3rd Earl Of Derby wrote:
from visiting your yard if sprayed on the top of walls?

I'm trying to locate a source for obtaing the amonia,but having no
joy. Tried four chemist in the area and none stock it,whatever
happend to the old chemist where you could buy almost anything. :-(

--
Sir Benjamin Middlethwaite

Sussed,thin plywood with tacks/staples nailed through ply and glued or
screwed to top of wall.
I knew this nail/staple gun would come in handy.

--
Sir Benjamin Middlethwaite