Spools

[Brutalfly]

I was given these by my dad. I am use to seeing Joselyn on all of them but one had a TRIANGLE M on it. Which I had never seen before. So I figured I would share.

 

[ROBBYBOBBY64]

Cool, I am posting a link to info on ceramic insulator manufacturers marks.
ROBBYBOBBY64.

Porcelain Insulator Markings

Porcelain Insulator Markings

allinsulators.com

 

[Brutalfly]

Thanks for the link.
I will definitely use it.
Here is another one too

Markings on Porcelain Insulators

www.r-infinity.com

 

[ROBBYBOBBY64]

Thanks for the link.
I will definitely use it.
Here is another one too

Markings on Porcelain Insulators

www.r-infinity.com

Thanks!
ROBBYBOBBY64.