'HUNNINGSCONE-DECKERT' TELEPHONES MAGNETO CALL FOR LONG DISTANCES
Similar pattern to K 75 , but mounted on a Walnut backboard, with battery box for two E.C.C cells.
Price in 1904 - £2.8.0
Taken from the G.E.C. Illustrated Telephone Catalogue 9th edition (1904)
GEC K 76