Book 3 — Carrying Strap and Lock for Hand Cases
Reading edition
The illustration shows how to make a locking device for hand cases or satchels, and providing, also, a strap for carrying. Cut two pieces of ⁵⁄₈ by 2-in. strap iron, and two pieces, 2¹⁄₂ in. long. Bend them, and fasten them with screws or rivets, as shown. When the case is carried, the strap holds the crosspieces firmly.