They were visible to the enemy, and their Red Cross armlets showed their mission.
"From Bapaume to Passchendaele, 1917"
Philip Gibbs
Her garments were belted in with a broad girdle of the same metal, and she wore heavy gold armlets and bracelets.
"Beric the Briton A Story of the Roman Invasion"
G. A. Henty
At a French junction there was a shout of command in English, and I saw a body of men in khaki, with Red Cross armlets, run across a platform to an incoming train from the north, with stretchers and drinking bottles.
"The Soul of the War"
Philip Gibbs