Vintage Porcelain Switch Machined for Westinghouse Antique Ceiling Fans NOS USA. In NOS modified (machined) to fit the bottom plate opening of a 1909-24 ca. Westinghouse 56 (see images). A H & H, 6 A- 250 V, 18 A – 125V Made in U. To mount this switch requires a large washer(not included) tapped for the mount screws as an adapter for fan. It is unused NOS with the original box and paper wrapping, manufactured in U. The switch is off/on and is intended as a “dummy” switch for the antique Westinghouse ceiling fan. Please see all images for a pictorial description and ask any questions.