What does "latten" mean?

Latten: Sheet tin; iron plate, covered with tin; also, any metal in thin sheets; as, gold latten. Black latten, brass in milled sheets, composed of copper and zinc, used by braziers, and for drawing into wire. -- Roll latten, latten polished on both sides ready for use. -- Shaven latten, a thinner kind than black latten. -- White latten, a mixture of brass and tin.