CD 121
PATENT - OTHER
[010] (Dome) (Circle)PAT'D SEPT.19TH 1899 {Pleated skirt extends around base giving the appearance of SDP} SDPAqua . . . . . . . . . . . . . . . $30-40
The only insulator with a "pleated skirt." These vertical ridges start below the lower wire groove and wrap around the base, almost creating sharp drip points!