Pauls  L.M. Ericsson Model N1181
Railway Battery Ringing Wall Telephone

N1181 Wall Railway

Bakelite handset, semi-matt polished hardwood case with exterior metal fittings in black & bronze
BR 1002 type used for railway signaling purposes - factory blueprints and info are below


high, medium or low tone dome, as specified on order, is fitted on the 100 ohm bell


ETL - Ericsson Telephone LTD. Beeston, Nottingham, England


Inside is 2 mf. condenser for the receiver circuit, anti-side-tone induction coil, hook switch and terminals for wiring a remote bell if required. The interior wiring is well planned out and remains very clean after years of service.
    
click to enlarge
Overall dimensions 9 x 11 x 5 inches.  Weight 6 lb. 6 oz. click for larger blueprint image

catalog images and blueprint courtesy Bobs Telephone Files

1181 advertisements
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advertisements courtesy Andrew Emmerson

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