Brian Gram Glass Marble Co. Fine Hand gathered
From there I pick the finished sphere up with tongs and then place it into an annealing oven to slowly cool over a 12 hour period. The image on the right shows the entire William J. Miller glass marble making machine from Peltier Glass. Built in 1923; the 3650 pound marble machine is capable of producing marbles from 5/8quot; up to quot;. To the best of my knowledge, this is the world''s oldest