Lightning Rod Ball Guide – Staircase
Maker – NATIONAL LIGHTNING PROTECTION COMPANY
Date – Early 20th Century
Sizes – 3-3/4″H x 3-3/4″ Diameter
Colors – Cobalt, Light Blue, White
Notable – Stepped top and Bottom with a wide flat equator.
Ceramic. Was made in 3 different hole sizes; for 7/16″, 5/8″, and 3/4″ rods.