Knox College's service flag is displayed on Old Main. The image was taken some time near the end of the war. The number 642 represents the number of Knox men serving in the armed forces during the war (the final number was 660).
First World War; World War I; Flags;
'The Gale,' Knox College 1920
“Service flag,” Knox College Experiences the First World War, accessed February 22, 2018, https://knoxcollege.omeka.net/items/show/663.