CD 152 Hemingray Dot Patterns
From Insulator Wiki (Wikilator)
Introduction
There are numerous dots placed around the embossings on many Hemingray CD 152s. The exact meaning of these is not known, but this is an attempt to document the known variations.
Variations
[080]
(F-Skirt) HEMINGRAY/No .. 40 (R-Skirt) PATENTED/MAY 2 1893
(F-Skirt) HEMINGRAY/No 40. (R-Skirt) PATENTED/MAY 2 1893