Pauls  L.M. Ericsson HA 250/15
15 line intercom walnut desk telephone
serial #1976836 (March 1925)

Battery-Ringing Inter-Communication Table Telephone for Metallic Lines model  772
Självväljarebordtelefonapparater för dubbellinjer med galvanisk signal

Telephone has Brass, Nickel and Copper/Bronze trim on Walnut

Data and sketch from the 1903 Ericsson Catalog courtesy Bobs Telephone File
Height: 9 inches   Width: 11 inches    Weight: 5.1 pounds

Pauls Telephone Collection Pages