We have always considered and collected these commercial masks and helmets as industries tribal art. Examples can be elegant in their simplicity or bazaar and complex. They are always unique, suprising and filled with personality.
1919 Queen-Gray Portable Whetstone Bridge
The Unit contained a note saying that it was last used in an Alaska Copper Mine. It is also marked “The Queen Decade Portable Testing Set E3112” by The Electrical Laboratory at Queen-Gray Company.
