Electrical Insulator

UMEK.PRO electric glass insualtors By the way, there ARE authentic purple glass Hemingray No. 9 insulators, but they date from the late 1890s or extremely early 1900s and do not have the same lettering arrangement as your comparatively modern day number 9. All authentic purple Hemingray No. 9s have the embossing “HEMINGRAY / NO. 9” on the front and “PATENT / May possibly ” on the reverse. Typically, and casual col