My sincere thanks to all who provided serious replies and were able to
look beyond the original poster's misspelling of the word "brass". I
simply reposted the original post verbatim with all its warts as it so
happened.
FWIW I have no direct involvement or personal interest in this
particular model but have benefitted many a time from information
kindly provided to me on these forums so was just trying to help out a
fellow modeler who I don't even know as it happens.
JSH
