Mal's reply was excellent, and directed me to the right wedge of the
six-way junction (between Dean St & Mt Alexander Rd): I had been
looking one wedge further round.
I have posted all existing scans which I have for this theme; more will
come to light as a research other topics, but not today.

Roderick B Smith
Rail News Victoria Editor

Mal Rowe <brill21e@...> wrote:
....South East corner...