Original Helios D.R.G.M. Steinglas Thermos WWII but I believe once you

but I believe once you find that original photo

Metal back zipper

The rounds in this listing actually have all the design elements built in that would allow them to work with this system when it is finished

The adjustable arm is a bit loose but it will stay in the top most position on its own just fine

Original Helios D.R.G.M. Steinglas Thermos WWII but I believe once youVery nice, complete German Original Helios Steinglas glass thermos. D. R. G. M. marked. This style of glass thermos with a steel base and Bakelite cup were quite popular in the 1930's. The glass used on these was also referred to as Panzerglas as it was formulated to be more durable than typical glass. Having handled a lot of original thermoses, I can say they do seem much more durable than the typical thermoses that were completely encapsulated in