Does this seem like something a collector would want to use for a display or accent lighting? (I don’t think these particular insulators are anything special— just an example of how it would be used.) It’s an old metal shelf fitted with 4 low-wattage led bulbs.
My husband is planning to build a ship in a bottle. He wants to use an antique wine or similar shape bottle. Here is one he made many years ago which shows an idea of what he’s looking for.
The shape of this reminds me of lab equipment. I’ve been able to figure out that it was made by the Owens-Illinois Glass Company post-1954. The bottom has G-1775 above the logo, 3 on the left, 5 on the right, and 5 below the logo. There is an underlined 10 (or possibly IO) on the lower edge...