wiping-rod

“They had been obliged to escape so rapidly that Captain Clark lost his compass [that is, circumferentor] and umbrella, Chaboneau left his gun, with Captain Lewis 'wiping-rod, shot-pouch, and tomahawk, and the Indian woman had just time to grasp her child, before the net in which it lay at her feet was carried down the current. ”

First Across the Continent; The Story of The Exploring Expedition of Lewis and Clark in 1804-5-6