Antique 1919 HEMCO TWIN-LITE Dual Socket Adapter + 3 Sockets Vintage

Antique 1919 HEMCO TWIN-LITE Dual Socket Adapter + 3 Sockets Vintage. Item is in used condition, shows its age. Three of the Sockets screw into the twin lite, each one is different pattern. The fourth socket has a screw on the back, please see pictures. There is wear, scuffing, scratches and minor rusting. Pictures show condition.