Sm white porcelain 3 1/8 inches tall, 3 inches across base with a 1/8 inch extended inner skirt. There is a oval depression 1/2 x 1/4 on the top with the following; NTP in a sm. oval, then 110. The insulator is glazed except the extended skirt ring, and the top end of the pin hole. No other markings on what appears to be a well finished insulator. Slight cable top appearance.

Revised: Produced in Norway for domestic use.