Early PTP wiring

[tubeswell]

I belong to a local vintage radio club. Every month on a Sunday afternoon, club members trundle along and gather enthusiastically around a table in a local community center to ogle at various old artefacts.  Last month one of the guys brought along a 1925 ELKAY TRF set

[PRR]

How's the toan, man? Any mods?

My fingers hurt just looking at the stacked chairs. Too many years in multi-purpose rooms like that one.

https://www.radiomuseum.org/r/elkay_elkay_1.html
https://www.radiomuseum.org/r/elkay_tube_equalizer_system.html

The address has grown a post-WWII school.