An antique rotary snap switch mechanism in white ceramic housing with its original twist knob. Ceramic is damaged. Solid Brass Faceplate (Painted White), Tag (Underwriter's Laboratories Inspected Snap Switch), Stamp (Perkins - PAT D - MAR 27 - 1894 OCT 26 - 01)
An antique rotary snap switch mechanism in white ceramic housing with its original twist knob. Ceramic is damaged. Solid Brass Faceplate (Painted White), Tag (Underwriter's Laboratories Inspected Snap Switch), Stamp (Perkins - PAT D - MAR 27 - 1894 OCT 26 - 01)