Carl Linnaeus, The Lapland Journey, translated by Peter Graves (Edinburgh: Lockharton Press, 1995), p. 160.
Jokkmokk [2], 25/07/1732, ¶868:
The Lapps use “ackjor”, that is sledges, as storage chests. They close them in with a slightly convex cover which has a small plughole on top through which they drop things in and then seal it with a bung. These are also used for transport so that things do not get wet.