L. M. ERICSSON
TELEPHONE No. 411

No. 411
Same as No. 407, but fitted with fixed transmitter No. 570, and receiver No. 546 with cord No. 2030.

Weight 3.7 lbs.

Price £2 4s.

For use in connection with inter-communication switches No's. 780, 781, 782, and 783, the magneto-ringing telephone instruments No's. 307, 308, 357, and 382 are suitable.

The following battery-ringing instruments can also be used:-
No. 416
No. 407

Group 4

Superseded by the model HC 100.
Taken from the Ericsson Telephone Catalogue 1903

Last revised: July 24, 2025