L. M. ERICSSON TELEPHONE No. 318
No. 318 Similar to No. 316, but fitted with battery box to accommodate two cells No. 591 or 972, and a hand micro-telephone No. 530 with cord No. 2061.
Weight 10.40 lbs.
Price £3 8s.
See also AB 160.
Taken from the Ericsson Telephone Catalogue 1903