by John S. Hohenshelt, President of Paragon Industries, L.P.
Photography by Sandi Howard
Many people are concerned about the need for doors of bead annealing kilns to be open when glass rods are placed inside. John S. Hohenshelt demonstrates through mathematical calculations that these costs are minimal.
This article was originally published on page 38 of the July/August 2012 issue of Glass Art.
