| Show to r do jda acty y with K key 7 60 socket t A device ha been brought out intended TO do away with affie use v af kay sockets in incandescent lamps by means of which the tha lamp is lighted or extinguished by simply pulling pr illing the iia 9 pending cord the difficulty of t anming arning I 1 tho the key of a swinging incandescent lamp is well known and this invention gets ets over it by placing the switch ou on the ailing ip and having it controL cont robed by thalami ba lairie cord new york world |