ERICSSON
TELEPHONE No. N1120
 

The framework and fittings are made and finished in the same superior manner as our other products for large installations.

These sets are equally suitable for single line and earth, or metallic circuits.

Three cells, joined in series, fitted at each station, are generally sufficient for supplying operating current, and three wires between each telephone and set of cells. One wire is connected to the "zinc" end of the battery, the second wire to the carbon terminal of the middle cell-for speaking current-and the third wire to the carbon terminal of the third cell for signalling current.

For very long lines, an additional cell would be required for the signalling circuit. The third wire would then be connected to the carbon terminal of this cell.

EQUIPMENT
Watch pattern receiver N6802
Cord N4060
"Inset" transmitter complete N7702
Bell
Induction coil
Hook switch
Push button for signalling

Overall dimensions 9.5 x 7.25 x 5.5 inches
Weight 3.5 lb.

NOTE - It is sometimes desired to have an intermediate and two extension telephones.
For this purpose extension switch N7550 should be fitted near the intermediate telephone this switch will work with any of our battery ringing telephones.

Taken from the Ericsson Telephone Catalogue, edition No. 26

Last revised: October 02, 2019