Louden valves from The Fellows Magneto Company made Louden valves from 1924 to about 1927. This early style carton has a pasteboard outer with integral pasteboard inner sleeve. The top of the inner sleeve provides the locating point for the removable lid. Inside the box is a third sleeve of corrugated card to further cushion the valve. Above the valve would be a second felt mat a card retainer and then the lid is placed on top.Thanks to Ron Deeprose for these images.
 
 
 
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