What materials were used in Chester Greenwood's original earmuff design?

Answer

Two small, circular felt pads attached to a thin, flexible piece of wire

The simple solution involved two small, circular pads, likely made of felt, affixed to a thin, flexible wire that served as the headband.

What materials were used in Chester Greenwood's original earmuff design?

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The history of how earmuffs were invented by a Maine teenager

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