In , Hemingray was purchased by Owens-Illinois, and they began embossing an "O" on their insulators believed to stand for the O in "Owens-Illinois". All known specimens are Ice Blue in color. The "4" is believed to signify the year 4. In this example, "12" is the mold number. I believe this is the earliest form of the date codes.
My wife, Jill Meier and I are avid insulator collectors. We started collecting again in the spring of In addition, we are both very involved in the hobby, at the local, regional, and national level. For almost twenty years I was a Principal Software Engineer with Digital Equipment Corporation working on developing networking software and file servers for personal computers and main frames. Now, I have started my own small consulting company, Creative Computer Consultants doing custom CGI programming, database design, and web page design and web site hosting.
The following embossing s were removed from the price guide because they could not be verified to exist. They are preserved here for historical purposes in case they do show up in the future. Insulator Facts. Primary Embossings: The Primary Embossing is typically found on the front of the insulator and usually identifies either the manufacturer such as "Hemingray" or the company that the insulator was made for such as "AM.
Fence posts, metal strapping, and glass insulators still on their posts have been repurposed as one-of-a-kind home dec pieces for your table or bookshelf. Please note which sizes you would like to purchase. Height: