How Marbles are Made

Wow, it’s been a while since I found anything really Technorama worthy… Yeah, I’ll go with that excuse.

Marv

About madmarv

Civil Engineer, CAD Geek, podcast junkie and amateur photographer.
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0 Responses to How Marbles are Made

  1. G. Gates says:

    This is fantastic!! I have a collection of marbles, all of them over 60 years old. but never gave it a thought as to how they were made.