Old Style Adlake Switch/Marker Lamp Chimney. Made of high heat borosilicate glass.  Also for use on lamps made by Dressel and Handlan.

Specifications:
■ Base Diameter: 1 1/4″
■ Height: 2 5/8″
■ Bead Diameter 1 3/8″
■ Satisfaction Guaranteed
■ Modern Production