The fife was used to signal troop movements, daily activities, and movement in battle. This iron fife measures around 0.5″ in diamater and 14″ long. For source…
This wooden whistle measures around .86″ x 3.3″. For source and more details, click here. Image from: http://www.cr.nps.gov/museum/exhibits/revwar/guco/gucomusic.html