Hi Chris.
I had forgotten about the ‘in house’ factor of these connectors at Canadian Marconi. They were also using them with some wartime navy wireless equipment and the WS No. 9 Mk I Cdn.
I am going to have to make an effort to get a copy of the Master Parts List for the Wireless No. 9 Mk I Cdn to better understand how much of the bits from it carried over into the 52-Set.
David
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