L-M-Ericsson-Model-AC110-Skeleton-Type-1892-Eiffel-Tower

[dsk]

I have not a clue about what I have here?  Bought it as a teenager, the handset is made by Elektrisk Bureau (Norway) at least the transmitter. 
It is actually working  :-)
dsk

[FABphones]

Very nice.

https://www.nostalgietelefon.de/Eiffel/06Skeletons%20lo-res.pdf

(I can't quite see if your transfers match the one below).

ETA: Photo.

[dsk]

Thank you!Only 4 terminals, so I guess AC 130- 140
dsk